id	sid	tid	token	lemma	pos
cord-310218-fky0cm5e	1	1	key	key	NN
cord-310218-fky0cm5e	1	2	:	:	:
cord-310218-fky0cm5e	2	1	cord-310218-fky0cm5e	cord-310218-fky0cm5e	NN
cord-310218-fky0cm5e	2	2	authors	author	NNS
cord-310218-fky0cm5e	2	3	:	:	:
cord-310218-fky0cm5e	3	1	Yoo	Yoo	NNP
cord-310218-fky0cm5e	3	2	,	,	,
cord-310218-fky0cm5e	3	3	Dongwan	Dongwan	NNP
cord-310218-fky0cm5e	3	4	;	;	:
cord-310218-fky0cm5e	3	5	Parker	Parker	NNP
cord-310218-fky0cm5e	3	6	,	,	,
cord-310218-fky0cm5e	3	7	Michael	Michael	NNP
cord-310218-fky0cm5e	3	8	D.	D.	NNP
cord-310218-fky0cm5e	3	9	;	;	:
cord-310218-fky0cm5e	3	10	Babiuk	Babiuk	NNP
cord-310218-fky0cm5e	3	11	,	,	,
cord-310218-fky0cm5e	3	12	Lorne	Lorne	NNP
cord-310218-fky0cm5e	3	13	A.	a.	NN
cord-310218-fky0cm5e	3	14	title	title	NN
cord-310218-fky0cm5e	3	15	:	:	:
cord-310218-fky0cm5e	3	16	The	the	DT
cord-310218-fky0cm5e	3	17	S2	S2	NNP
cord-310218-fky0cm5e	3	18	subunit	subunit	NN
cord-310218-fky0cm5e	3	19	of	of	IN
cord-310218-fky0cm5e	3	20	the	the	DT
cord-310218-fky0cm5e	3	21	spike	spike	NN
cord-310218-fky0cm5e	3	22	glycoprotein	glycoprotein	NN
cord-310218-fky0cm5e	3	23	of	of	IN
cord-310218-fky0cm5e	3	24	bovine	bovine	JJ
cord-310218-fky0cm5e	3	25	coronavirus	coronavirus	NN
cord-310218-fky0cm5e	3	26	mediates	mediate	VBZ
cord-310218-fky0cm5e	3	27	membrane	membrane	NN
cord-310218-fky0cm5e	3	28	fusion	fusion	NN
cord-310218-fky0cm5e	3	29	in	in	IN
cord-310218-fky0cm5e	3	30	insect	insect	NN
cord-310218-fky0cm5e	3	31	cells	cell	NNS
cord-310218-fky0cm5e	3	32	date	date	NN
cord-310218-fky0cm5e	3	33	:	:	:
cord-310218-fky0cm5e	3	34	1991	1991	CD
cord-310218-fky0cm5e	3	35	-	-	SYM
cord-310218-fky0cm5e	3	36	01	01	CD
cord-310218-fky0cm5e	3	37	-	-	HYPH
cord-310218-fky0cm5e	3	38	31	31	CD
cord-310218-fky0cm5e	3	39	journal	journal	NN
cord-310218-fky0cm5e	3	40	:	:	:
cord-310218-fky0cm5e	4	1	Virology	virology	NN
cord-310218-fky0cm5e	4	2	DOI	DOI	NNP
cord-310218-fky0cm5e	4	3	:	:	:
cord-310218-fky0cm5e	4	4	10.1016/0042	10.1016/0042	CD
cord-310218-fky0cm5e	4	5	-	-	SYM
cord-310218-fky0cm5e	4	6	6822(91)90045-d	6822(91)90045-d	CD
cord-310218-fky0cm5e	4	7	sha	sha	NN
cord-310218-fky0cm5e	4	8	:	:	:
cord-310218-fky0cm5e	4	9	b215cc0bcde57d607b40cbad413ad672abbd775b	b215cc0bcde57d607b40cbad413ad672abbd775b	NNP
cord-310218-fky0cm5e	4	10	doc_id	doc_id	CD
cord-310218-fky0cm5e	4	11	:	:	:
cord-310218-fky0cm5e	4	12	310218	310218	CD
cord-310218-fky0cm5e	4	13	cord_uid	cord_uid	NNS
cord-310218-fky0cm5e	4	14	:	:	:
cord-310218-fky0cm5e	5	1	fky0cm5e	fky0cm5e	CD
cord-310218-fky0cm5e	6	1	Abstract	Abstract	NNP
cord-310218-fky0cm5e	7	1	The	the	DT
cord-310218-fky0cm5e	7	2	hemagglutinin	hemagglutinin	NN
cord-310218-fky0cm5e	7	3	/	/	SYM
cord-310218-fky0cm5e	7	4	esterase	esterase	NN
cord-310218-fky0cm5e	7	5	(	(	-LRB-
cord-310218-fky0cm5e	7	6	HE	HE	NNP
cord-310218-fky0cm5e	7	7	)	)	-RRB-
cord-310218-fky0cm5e	7	8	,	,	,
cord-310218-fky0cm5e	7	9	spike	spike	NN
cord-310218-fky0cm5e	7	10	precursor	precursor	NN
cord-310218-fky0cm5e	7	11	(	(	-LRB-
cord-310218-fky0cm5e	7	12	S	S	NNP
cord-310218-fky0cm5e	7	13	)	)	-RRB-
cord-310218-fky0cm5e	7	14	and	and	CC
cord-310218-fky0cm5e	7	15	the	the	DT
cord-310218-fky0cm5e	7	16	S1	S1	NNP
cord-310218-fky0cm5e	7	17	and	and	CC
cord-310218-fky0cm5e	7	18	S2	S2	NNP
cord-310218-fky0cm5e	7	19	subunits	subunit	NNS
cord-310218-fky0cm5e	7	20	of	of	IN
cord-310218-fky0cm5e	7	21	the	the	DT
cord-310218-fky0cm5e	7	22	spike	spike	NN
cord-310218-fky0cm5e	7	23	precursor	precursor	NN
cord-310218-fky0cm5e	7	24	protein	protein	NN
cord-310218-fky0cm5e	7	25	of	of	IN
cord-310218-fky0cm5e	7	26	bovine	bovine	JJ
cord-310218-fky0cm5e	7	27	coronavirus	coronavirus	NN
cord-310218-fky0cm5e	7	28	were	be	VBD
cord-310218-fky0cm5e	7	29	expressed	express	VBN
cord-310218-fky0cm5e	7	30	in	in	IN
cord-310218-fky0cm5e	7	31	Spodoptera	Spodoptera	NNP
cord-310218-fky0cm5e	7	32	frugiperda	frugiperda	NN
cord-310218-fky0cm5e	7	33	(	(	-LRB-
cord-310218-fky0cm5e	7	34	Sf9	sf9	NN
cord-310218-fky0cm5e	7	35	)	)	-RRB-
cord-310218-fky0cm5e	7	36	cells	cell	NNS
cord-310218-fky0cm5e	7	37	,	,	,
cord-310218-fky0cm5e	7	38	and	and	CC
cord-310218-fky0cm5e	7	39	the	the	DT
cord-310218-fky0cm5e	7	40	cell	cell	NN
cord-310218-fky0cm5e	7	41	-	-	HYPH
cord-310218-fky0cm5e	7	42	fusing	fuse	VBG
cord-310218-fky0cm5e	7	43	activity	activity	NN
cord-310218-fky0cm5e	7	44	of	of	IN
cord-310218-fky0cm5e	7	45	each	each	DT
cord-310218-fky0cm5e	7	46	recombinant	recombinant	JJ
cord-310218-fky0cm5e	7	47	glycoprotein	glycoprotein	NN
cord-310218-fky0cm5e	7	48	was	be	VBD
cord-310218-fky0cm5e	7	49	examined	examine	VBN
cord-310218-fky0cm5e	7	50	.	.	.
cord-310218-fky0cm5e	8	1	Extensive	extensive	JJ
cord-310218-fky0cm5e	8	2	syncytia	syncytia	NN
cord-310218-fky0cm5e	8	3	formation	formation	NN
cord-310218-fky0cm5e	8	4	was	be	VBD
cord-310218-fky0cm5e	8	5	observed	observe	VBN
cord-310218-fky0cm5e	8	6	in	in	IN
cord-310218-fky0cm5e	8	7	cells	cell	NNS
cord-310218-fky0cm5e	8	8	infected	infect	VBN
cord-310218-fky0cm5e	8	9	with	with	IN
cord-310218-fky0cm5e	8	10	the	the	DT
cord-310218-fky0cm5e	8	11	S2	s2	NN
cord-310218-fky0cm5e	8	12	recombinant	recombinant	JJ
cord-310218-fky0cm5e	8	13	but	but	CC
cord-310218-fky0cm5e	8	14	not	not	RB
cord-310218-fky0cm5e	8	15	with	with	IN
cord-310218-fky0cm5e	8	16	the	the	DT
cord-310218-fky0cm5e	8	17	HE	HE	NNP
cord-310218-fky0cm5e	8	18	or	or	CC
cord-310218-fky0cm5e	8	19	S1	S1	NNP
cord-310218-fky0cm5e	8	20	recombinant	recombinant	JJ
cord-310218-fky0cm5e	8	21	baculoviruses	baculoviruse	NNS
cord-310218-fky0cm5e	8	22	.	.	.
cord-310218-fky0cm5e	9	1	Fusion	fusion	NN
cord-310218-fky0cm5e	9	2	of	of	IN
cord-310218-fky0cm5e	9	3	Sf9	sf9	NN
cord-310218-fky0cm5e	9	4	cells	cell	NNS
cord-310218-fky0cm5e	9	5	expressing	express	VBG
cord-310218-fky0cm5e	9	6	the	the	DT
cord-310218-fky0cm5e	9	7	intact	intact	NN
cord-310218-fky0cm5e	9	8	S	s	NN
cord-310218-fky0cm5e	9	9	protein	protein	NN
cord-310218-fky0cm5e	9	10	precursor	precursor	NN
cord-310218-fky0cm5e	9	11	was	be	VBD
cord-310218-fky0cm5e	9	12	evident	evident	JJ
cord-310218-fky0cm5e	9	13	after	after	IN
cord-310218-fky0cm5e	9	14	trypsin	trypsin	NN
cord-310218-fky0cm5e	9	15	treatment	treatment	NN
cord-310218-fky0cm5e	9	16	.	.	.
cord-310218-fky0cm5e	10	1	These	these	DT
cord-310218-fky0cm5e	10	2	results	result	NNS
cord-310218-fky0cm5e	10	3	demonstrate	demonstrate	VBP
cord-310218-fky0cm5e	10	4	that	that	IN
cord-310218-fky0cm5e	10	5	proteolytic	proteolytic	JJ
cord-310218-fky0cm5e	10	6	cleavage	cleavage	NN
cord-310218-fky0cm5e	10	7	of	of	IN
cord-310218-fky0cm5e	10	8	the	the	DT
cord-310218-fky0cm5e	10	9	S	S	NNP
cord-310218-fky0cm5e	10	10	spike	spike	NN
cord-310218-fky0cm5e	10	11	precursor	precursor	NN
cord-310218-fky0cm5e	10	12	is	be	VBZ
cord-310218-fky0cm5e	10	13	required	require	VBN
cord-310218-fky0cm5e	10	14	for	for	IN
cord-310218-fky0cm5e	10	15	fusion	fusion	NN
cord-310218-fky0cm5e	10	16	induction	induction	NN
cord-310218-fky0cm5e	10	17	and	and	CC
cord-310218-fky0cm5e	10	18	that	that	IN
cord-310218-fky0cm5e	10	19	the	the	DT
cord-310218-fky0cm5e	10	20	fusion	fusion	NN
cord-310218-fky0cm5e	10	21	is	be	VBZ
cord-310218-fky0cm5e	10	22	mediated	mediate	VBN
cord-310218-fky0cm5e	10	23	by	by	IN
cord-310218-fky0cm5e	10	24	the	the	DT
cord-310218-fky0cm5e	10	25	S2	S2	NNP
cord-310218-fky0cm5e	10	26	subunit	subunit	NN
cord-310218-fky0cm5e	10	27	.	.	.
cord-310218-fky0cm5e	11	1	These	these	DT
cord-310218-fky0cm5e	11	2	observations	observation	NNS
cord-310218-fky0cm5e	11	3	may	may	MD
cord-310218-fky0cm5e	11	4	reflect	reflect	VB
cord-310218-fky0cm5e	11	5	the	the	DT
cord-310218-fky0cm5e	11	6	biological	biological	JJ
cord-310218-fky0cm5e	11	7	role	role	NN
cord-310218-fky0cm5e	11	8	of	of	IN
cord-310218-fky0cm5e	11	9	the	the	DT
cord-310218-fky0cm5e	11	10	S2	S2	NNP
cord-310218-fky0cm5e	11	11	subunit	subunit	NN
cord-310218-fky0cm5e	11	12	in	in	IN
cord-310218-fky0cm5e	11	13	fusion	fusion	NN
cord-310218-fky0cm5e	11	14	-	-	HYPH
cord-310218-fky0cm5e	11	15	penetration	penetration	NN
cord-310218-fky0cm5e	11	16	during	during	IN
cord-310218-fky0cm5e	11	17	bovine	bovine	JJ
cord-310218-fky0cm5e	11	18	coronavirus	coronavirus	NN
cord-310218-fky0cm5e	11	19	infection	infection	NN
cord-310218-fky0cm5e	11	20	.	.	.
cord-310218-fky0cm5e	12	1	The	the	DT
cord-310218-fky0cm5e	12	2	hemagglutinin	hemagglutinin	NN
cord-310218-fky0cm5e	12	3	/	/	SYM
cord-310218-fky0cm5e	12	4	esterase	esterase	NN
cord-310218-fky0cm5e	12	5	(	(	-LRB-
cord-310218-fky0cm5e	12	6	HE	HE	NNP
cord-310218-fky0cm5e	12	7	)	)	-RRB-
cord-310218-fky0cm5e	12	8	,	,	,
cord-310218-fky0cm5e	12	9	spike	spike	NN
cord-310218-fky0cm5e	12	10	precursor	precursor	NN
cord-310218-fky0cm5e	12	11	(	(	-LRB-
cord-310218-fky0cm5e	12	12	S	S	NNP
cord-310218-fky0cm5e	12	13	)	)	-RRB-
cord-310218-fky0cm5e	12	14	and	and	CC
cord-310218-fky0cm5e	12	15	the	the	DT
cord-310218-fky0cm5e	12	16	Sl	Sl	NNP
cord-310218-fky0cm5e	12	17	and	and	CC
cord-310218-fky0cm5e	12	18	S2	s2	NN
cord-310218-fky0cm5e	12	19	subunits	subunit	NNS
cord-310218-fky0cm5e	12	20	of	of	IN
cord-310218-fky0cm5e	12	21	the	the	DT
cord-310218-fky0cm5e	12	22	spike	spike	NN
cord-310218-fky0cm5e	12	23	precursor	precursor	NN
cord-310218-fky0cm5e	12	24	protein	protein	NN
cord-310218-fky0cm5e	12	25	of	of	IN
cord-310218-fky0cm5e	12	26	bovine	bovine	JJ
cord-310218-fky0cm5e	12	27	coronavirus	coronavirus	NN
cord-310218-fky0cm5e	12	28	were	be	VBD
cord-310218-fky0cm5e	12	29	expressed	express	VBN
cord-310218-fky0cm5e	12	30	in	in	IN
cord-310218-fky0cm5e	12	31	Spodopfera	Spodopfera	NNP
cord-310218-fky0cm5e	12	32	frugperda	frugperda	NNP
cord-310218-fky0cm5e	12	33	(	(	-LRB-
cord-310218-fky0cm5e	12	34	Sf9	sf9	NN
cord-310218-fky0cm5e	12	35	)	)	-RRB-
cord-310218-fky0cm5e	12	36	cells	cell	NNS
cord-310218-fky0cm5e	12	37	,	,	,
cord-310218-fky0cm5e	12	38	and	and	CC
cord-310218-fky0cm5e	12	39	the	the	DT
cord-310218-fky0cm5e	12	40	cell	cell	NN
cord-310218-fky0cm5e	12	41	-	-	HYPH
cord-310218-fky0cm5e	12	42	fusing	fuse	VBG
cord-310218-fky0cm5e	12	43	activity	activity	NN
cord-310218-fky0cm5e	12	44	of	of	IN
cord-310218-fky0cm5e	12	45	each	each	DT
cord-310218-fky0cm5e	12	46	recombinant	recombinant	JJ
cord-310218-fky0cm5e	12	47	glycoprotein	glycoprotein	NN
cord-310218-fky0cm5e	12	48	was	be	VBD
cord-310218-fky0cm5e	12	49	examined	examine	VBN
cord-310218-fky0cm5e	12	50	.	.	.
cord-310218-fky0cm5e	13	1	Extensive	extensive	JJ
cord-310218-fky0cm5e	13	2	syncytia	syncytia	NN
cord-310218-fky0cm5e	13	3	formation	formation	NN
cord-310218-fky0cm5e	13	4	was	be	VBD
cord-310218-fky0cm5e	13	5	observed	observe	VBN
cord-310218-fky0cm5e	13	6	in	in	IN
cord-310218-fky0cm5e	13	7	cells	cell	NNS
cord-310218-fky0cm5e	13	8	infected	infect	VBN
cord-310218-fky0cm5e	13	9	with	with	IN
cord-310218-fky0cm5e	13	10	the	the	DT
cord-310218-fky0cm5e	13	11	S2	s2	NN
cord-310218-fky0cm5e	13	12	recombinant	recombinant	JJ
cord-310218-fky0cm5e	13	13	but	but	CC
cord-310218-fky0cm5e	13	14	not	not	RB
cord-310218-fky0cm5e	13	15	with	with	IN
cord-310218-fky0cm5e	13	16	the	the	DT
cord-310218-fky0cm5e	13	17	HE	HE	NNP
cord-310218-fky0cm5e	13	18	or	or	CC
cord-310218-fky0cm5e	13	19	Si	Si	NNP
cord-310218-fky0cm5e	13	20	recombinant	recombinant	JJ
cord-310218-fky0cm5e	13	21	baculoviruses	baculoviruse	NNS
cord-310218-fky0cm5e	13	22	.	.	.
cord-310218-fky0cm5e	14	1	Fusion	fusion	NN
cord-310218-fky0cm5e	14	2	of	of	IN
cord-310218-fky0cm5e	14	3	Sf9	sf9	NN
cord-310218-fky0cm5e	14	4	cells	cell	NNS
cord-310218-fky0cm5e	14	5	expressing	express	VBG
cord-310218-fky0cm5e	14	6	the	the	DT
cord-310218-fky0cm5e	14	7	intact	intact	NN
cord-310218-fky0cm5e	14	8	S	s	NN
cord-310218-fky0cm5e	14	9	protein	protein	NN
cord-310218-fky0cm5e	14	10	precursor	precursor	NN
cord-310218-fky0cm5e	14	11	was	be	VBD
cord-310218-fky0cm5e	14	12	evident	evident	JJ
cord-310218-fky0cm5e	14	13	after	after	IN
cord-310218-fky0cm5e	14	14	trypsin	trypsin	NN
cord-310218-fky0cm5e	14	15	treatment	treatment	NN
cord-310218-fky0cm5e	14	16	.	.	.
cord-310218-fky0cm5e	15	1	These	these	DT
cord-310218-fky0cm5e	15	2	results	result	NNS
cord-310218-fky0cm5e	15	3	demonstrate	demonstrate	VBP
cord-310218-fky0cm5e	15	4	that	that	IN
cord-310218-fky0cm5e	15	5	proteolytic	proteolytic	JJ
cord-310218-fky0cm5e	15	6	cleavage	cleavage	NN
cord-310218-fky0cm5e	15	7	of	of	IN
cord-310218-fky0cm5e	15	8	the	the	DT
cord-310218-fky0cm5e	15	9	S	S	NNP
cord-310218-fky0cm5e	15	10	spike	spike	NN
cord-310218-fky0cm5e	15	11	precursor	precursor	NN
cord-310218-fky0cm5e	15	12	is	be	VBZ
cord-310218-fky0cm5e	15	13	required	require	VBN
cord-310218-fky0cm5e	15	14	for	for	IN
cord-310218-fky0cm5e	15	15	fusion	fusion	NN
cord-310218-fky0cm5e	15	16	induction	induction	NN
cord-310218-fky0cm5e	15	17	and	and	CC
cord-310218-fky0cm5e	15	18	that	that	IN
cord-310218-fky0cm5e	15	19	the	the	DT
cord-310218-fky0cm5e	15	20	fusion	fusion	NN
cord-310218-fky0cm5e	15	21	is	be	VBZ
cord-310218-fky0cm5e	15	22	mediated	mediate	VBN
cord-310218-fky0cm5e	15	23	by	by	IN
cord-310218-fky0cm5e	15	24	the	the	DT
cord-310218-fky0cm5e	15	25	S2	S2	NNP
cord-310218-fky0cm5e	15	26	subunit	subunit	NN
cord-310218-fky0cm5e	15	27	.	.	.
cord-310218-fky0cm5e	16	1	These	these	DT
cord-310218-fky0cm5e	16	2	observations	observation	NNS
cord-310218-fky0cm5e	16	3	may	may	MD
cord-310218-fky0cm5e	16	4	reflect	reflect	VB
cord-310218-fky0cm5e	16	5	the	the	DT
cord-310218-fky0cm5e	16	6	biological	biological	JJ
cord-310218-fky0cm5e	16	7	role	role	NN
cord-310218-fky0cm5e	16	8	of	of	IN
cord-310218-fky0cm5e	16	9	the	the	DT
cord-310218-fky0cm5e	16	10	S2	S2	NNP
cord-310218-fky0cm5e	16	11	subunit	subunit	NN
cord-310218-fky0cm5e	16	12	in	in	IN
cord-310218-fky0cm5e	16	13	fusion	fusion	NN
cord-310218-fky0cm5e	16	14	-	-	HYPH
cord-310218-fky0cm5e	16	15	penetration	penetration	NN
cord-310218-fky0cm5e	16	16	during	during	IN
cord-310218-fky0cm5e	16	17	bovine	bovine	JJ
cord-310218-fky0cm5e	16	18	coronavirus	coronavirus	NN
cord-310218-fky0cm5e	16	19	infection	infection	NN
cord-310218-fky0cm5e	16	20	.	.	.
cord-310218-fky0cm5e	17	1	o	o	UH
cord-310218-fky0cm5e	17	2	1991	1991	CD
cord-310218-fky0cm5e	17	3	Academic	Academic	NNP
cord-310218-fky0cm5e	17	4	press	press	NN
cord-310218-fky0cm5e	17	5	,	,	,
cord-310218-fky0cm5e	17	6	I~	I~	NNP
cord-310218-fky0cm5e	18	1	C.	C.	NNP
cord-310218-fky0cm5e	18	2	The	the	DT
cord-310218-fky0cm5e	18	3	envelopes	envelope	NNS
cord-310218-fky0cm5e	18	4	which	which	WDT
cord-310218-fky0cm5e	18	5	surround	surround	VBP
cord-310218-fky0cm5e	18	6	many	many	JJ
cord-310218-fky0cm5e	18	7	viruses	virus	NNS
cord-310218-fky0cm5e	18	8	are	be	VBP
cord-310218-fky0cm5e	18	9	derived	derive	VBN
cord-310218-fky0cm5e	18	10	from	from	IN
cord-310218-fky0cm5e	18	11	host	host	NN
cord-310218-fky0cm5e	18	12	cell	cell	NN
cord-310218-fky0cm5e	18	13	membranes	membrane	NNS
cord-310218-fky0cm5e	18	14	and	and	CC
cord-310218-fky0cm5e	18	15	contain	contain	VBP
cord-310218-fky0cm5e	18	16	multiple	multiple	JJ
cord-310218-fky0cm5e	18	17	copies	copy	NNS
cord-310218-fky0cm5e	18	18	of	of	IN
cord-310218-fky0cm5e	18	19	viral	viral	JJ
cord-310218-fky0cm5e	18	20	glycoproteins	glycoprotein	NNS
cord-310218-fky0cm5e	18	21	which	which	WDT
cord-310218-fky0cm5e	18	22	form	form	VBP
cord-310218-fky0cm5e	18	23	the	the	DT
cord-310218-fky0cm5e	18	24	surface	surface	NN
cord-310218-fky0cm5e	18	25	projections	projection	NNS
cord-310218-fky0cm5e	18	26	of	of	IN
cord-310218-fky0cm5e	18	27	the	the	DT
cord-310218-fky0cm5e	18	28	virions	virion	NNS
cord-310218-fky0cm5e	18	29	required	require	VBN
cord-310218-fky0cm5e	18	30	for	for	IN
cord-310218-fky0cm5e	18	31	host	host	NN
cord-310218-fky0cm5e	18	32	cell	cell	NN
cord-310218-fky0cm5e	18	33	binding	binding	NN
cord-310218-fky0cm5e	18	34	and	and	CC
cord-310218-fky0cm5e	18	35	penetration	penetration	NN
cord-310218-fky0cm5e	18	36	.	.	.
cord-310218-fky0cm5e	19	1	Two	two	CD
cord-310218-fky0cm5e	19	2	mechanisms	mechanism	NNS
cord-310218-fky0cm5e	19	3	for	for	IN
cord-310218-fky0cm5e	19	4	virus	virus	NN
cord-310218-fky0cm5e	19	5	penetration	penetration	NN
cord-310218-fky0cm5e	19	6	of	of	IN
cord-310218-fky0cm5e	19	7	the	the	DT
cord-310218-fky0cm5e	19	8	target	target	NN
cord-310218-fky0cm5e	19	9	cell	cell	NN
cord-310218-fky0cm5e	19	10	have	have	VBP
cord-310218-fky0cm5e	19	11	been	be	VBN
cord-310218-fky0cm5e	19	12	proposed	propose	VBN
cord-310218-fky0cm5e	19	13	(	(	-LRB-
cord-310218-fky0cm5e	19	14	I	i	NN
cord-310218-fky0cm5e	19	15	)	)	-RRB-
cord-310218-fky0cm5e	19	16	.	.	.
cord-310218-fky0cm5e	20	1	In	in	IN
cord-310218-fky0cm5e	20	2	the	the	DT
cord-310218-fky0cm5e	20	3	case	case	NN
cord-310218-fky0cm5e	20	4	of	of	IN
cord-310218-fky0cm5e	20	5	paramyxoviruses	paramyxovirus	NNS
cord-310218-fky0cm5e	20	6	,	,	,
cord-310218-fky0cm5e	20	7	for	for	IN
cord-310218-fky0cm5e	20	8	example	example	NN
cord-310218-fky0cm5e	20	9	,	,	,
cord-310218-fky0cm5e	20	10	after	after	IN
cord-310218-fky0cm5e	20	11	initial	initial	JJ
cord-310218-fky0cm5e	20	12	binding	binding	NN
cord-310218-fky0cm5e	20	13	of	of	IN
cord-310218-fky0cm5e	20	14	the	the	DT
cord-310218-fky0cm5e	20	15	cell	cell	NN
cord-310218-fky0cm5e	20	16	surface	surface	NN
cord-310218-fky0cm5e	20	17	,	,	,
cord-310218-fky0cm5e	20	18	the	the	DT
cord-310218-fky0cm5e	20	19	viral	viral	JJ
cord-310218-fky0cm5e	20	20	envelope	envelope	NN
cord-310218-fky0cm5e	20	21	fuses	fuse	VBZ
cord-310218-fky0cm5e	20	22	with	with	IN
cord-310218-fky0cm5e	20	23	the	the	DT
cord-310218-fky0cm5e	20	24	plasma	plasma	NN
cord-310218-fky0cm5e	20	25	membrane	membrane	NN
cord-310218-fky0cm5e	20	26	directly	directly	RB
cord-310218-fky0cm5e	20	27	,	,	,
cord-310218-fky0cm5e	20	28	releasing	release	VBG
cord-310218-fky0cm5e	20	29	the	the	DT
cord-310218-fky0cm5e	20	30	nucleocapsids	nucleocapsid	NNS
cord-310218-fky0cm5e	20	31	into	into	IN
cord-310218-fky0cm5e	20	32	the	the	DT
cord-310218-fky0cm5e	20	33	interior	interior	NN
cord-310218-fky0cm5e	20	34	of	of	IN
cord-310218-fky0cm5e	20	35	the	the	DT
cord-310218-fky0cm5e	20	36	cell	cell	NN
cord-310218-fky0cm5e	20	37	(	(	-LRB-
cord-310218-fky0cm5e	20	38	2	2	CD
cord-310218-fky0cm5e	20	39	)	)	-RRB-
cord-310218-fky0cm5e	20	40	.	.	.
cord-310218-fky0cm5e	21	1	In	in	IN
cord-310218-fky0cm5e	21	2	contrast	contrast	NN
cord-310218-fky0cm5e	21	3	,	,	,
cord-310218-fky0cm5e	21	4	alphaviruses	alphaviruses	NNP
cord-310218-fky0cm5e	21	5	,	,	,
cord-310218-fky0cm5e	21	6	rhabdoviruses	rhabdovirus	NNS
cord-310218-fky0cm5e	21	7	,	,	,
cord-310218-fky0cm5e	21	8	and	and	CC
cord-310218-fky0cm5e	21	9	ot	ot	NN
cord-310218-fky0cm5e	21	10	-	-	HYPH
cord-310218-fky0cm5e	21	11	thomyxoviruses	thomyxoviruse	NNS
cord-310218-fky0cm5e	21	12	are	be	VBP
cord-310218-fky0cm5e	21	13	internalized	internalize	VBN
cord-310218-fky0cm5e	21	14	by	by	IN
cord-310218-fky0cm5e	21	15	endocytosis	endocytosis	NN
cord-310218-fky0cm5e	21	16	and	and	CC
cord-310218-fky0cm5e	21	17	fusion	fusion	NN
cord-310218-fky0cm5e	21	18	of	of	IN
cord-310218-fky0cm5e	21	19	the	the	DT
cord-310218-fky0cm5e	21	20	envelope	envelope	NN
cord-310218-fky0cm5e	21	21	with	with	IN
cord-310218-fky0cm5e	21	22	endosomal	endosomal	NNP
cord-310218-fky0cm5e	21	23	membranes	membrane	NNS
cord-310218-fky0cm5e	21	24	is	be	VBZ
cord-310218-fky0cm5e	21	25	activated	activate	VBN
cord-310218-fky0cm5e	21	26	in	in	IN
cord-310218-fky0cm5e	21	27	an	an	DT
cord-310218-fky0cm5e	21	28	acidic	acidic	JJ
cord-310218-fky0cm5e	21	29	,	,	,
cord-310218-fky0cm5e	21	30	intracellular	intracellular	JJ
cord-310218-fky0cm5e	21	31	compartment	compartment	NN
cord-310218-fky0cm5e	21	32	(	(	-LRB-
cord-310218-fky0cm5e	21	33	3	3	CD
cord-310218-fky0cm5e	21	34	)	)	-RRB-
cord-310218-fky0cm5e	21	35	.	.	.
cord-310218-fky0cm5e	22	1	Bovine	bovine	JJ
cord-310218-fky0cm5e	22	2	coronavirus	coronavirus	NN
cord-310218-fky0cm5e	22	3	(	(	-LRB-
cord-310218-fky0cm5e	22	4	BCV	BCV	NNP
cord-310218-fky0cm5e	22	5	)	)	-RRB-
cord-310218-fky0cm5e	22	6	contains	contain	VBZ
cord-310218-fky0cm5e	22	7	two	two	CD
cord-310218-fky0cm5e	22	8	major	major	JJ
cord-310218-fky0cm5e	22	9	membrane	membrane	NN
cord-310218-fky0cm5e	22	10	glycoproteins	glycoprotein	NNS
cord-310218-fky0cm5e	22	11	;	;	:
cord-310218-fky0cm5e	22	12	the	the	DT
cord-310218-fky0cm5e	22	13	hemagglutinin	hemagglutinin	NN
cord-310218-fky0cm5e	22	14	/	/	SYM
cord-310218-fky0cm5e	22	15	esterase	esterase	NN
cord-310218-fky0cm5e	22	16	(	(	-LRB-
cord-310218-fky0cm5e	22	17	HE	HE	NNP
cord-310218-fky0cm5e	22	18	)	)	-RRB-
cord-310218-fky0cm5e	22	19	and	and	CC
cord-310218-fky0cm5e	22	20	the	the	DT
cord-310218-fky0cm5e	22	21	spike(S	spike(S	NNP
cord-310218-fky0cm5e	22	22	)	)	-RRB-
cord-310218-fky0cm5e	22	23	protein	protein	NN
cord-310218-fky0cm5e	22	24	(	(	-LRB-
cord-310218-fky0cm5e	22	25	4	4	CD
cord-310218-fky0cm5e	22	26	,	,	,
cord-310218-fky0cm5e	22	27	5	5	CD
cord-310218-fky0cm5e	22	28	)	)	-RRB-
cord-310218-fky0cm5e	22	29	.	.	.
cord-310218-fky0cm5e	23	1	The	the	DT
cord-310218-fky0cm5e	23	2	HE	HE	NNP
cord-310218-fky0cm5e	23	3	glycoprotein	glycoprotein	NN
cord-310218-fky0cm5e	23	4	is	be	VBZ
cord-310218-fky0cm5e	23	5	a	a	DT
cord-310218-fky0cm5e	23	6	disulfide	disulfide	RB
cord-310218-fky0cm5e	23	7	-	-	HYPH
cord-310218-fky0cm5e	23	8	linked	link	VBN
cord-310218-fky0cm5e	23	9	140	140	CD
cord-310218-fky0cm5e	23	10	K	K	NNP
cord-310218-fky0cm5e	23	11	homodimer	homodimer	JJ
cord-310218-fky0cm5e	23	12	of	of	IN
cord-310218-fky0cm5e	23	13	a	a	DT
cord-310218-fky0cm5e	23	14	62	62	CD
cord-310218-fky0cm5e	23	15	K	k	NN
cord-310218-fky0cm5e	23	16	monomer	monomer	NN
cord-310218-fky0cm5e	23	17	,	,	,
cord-310218-fky0cm5e	23	18	and	and	CC
cord-310218-fky0cm5e	23	19	exhibits	exhibit	VBZ
cord-310218-fky0cm5e	23	20	hemagglutinating	hemagglutinating	NN
cord-310218-fky0cm5e	23	21	and	and	CC
cord-310218-fky0cm5e	23	22	sialic	sialic	JJ
cord-310218-fky0cm5e	23	23	acid	acid	NN
cord-310218-fky0cm5e	23	24	-	-	HYPH
cord-310218-fky0cm5e	23	25	containing	contain	VBG
cord-310218-fky0cm5e	23	26	receptor	receptor	NN
cord-310218-fky0cm5e	23	27	-	-	HYPH
cord-310218-fky0cm5e	23	28	destroying	destroy	VBG
cord-310218-fky0cm5e	23	29	activities	activity	NNS
cord-310218-fky0cm5e	23	30	(	(	-LRB-
cord-310218-fky0cm5e	23	31	6	6	CD
cord-310218-fky0cm5e	23	32	)	)	-RRB-
cord-310218-fky0cm5e	23	33	(	(	-LRB-
cord-310218-fky0cm5e	23	34	7	7	CD
cord-310218-fky0cm5e	23	35	)	)	-RRB-
cord-310218-fky0cm5e	24	1	(	(	-LRB-
cord-310218-fky0cm5e	24	2	8)	8)	NNP
cord-310218-fky0cm5e	24	3	.	.	.
cord-310218-fky0cm5e	25	1	The	the	DT
cord-310218-fky0cm5e	25	2	180	180	CD
cord-310218-fky0cm5e	25	3	K	K	NNP
cord-310218-fky0cm5e	25	4	S	s	NN
cord-310218-fky0cm5e	25	5	glycoprotein	glycoprotein	NN
cord-310218-fky0cm5e	25	6	is	be	VBZ
cord-310218-fky0cm5e	25	7	cleaved	cleave	VBN
cord-310218-fky0cm5e	25	8	into	into	IN
cord-310218-fky0cm5e	25	9	Sl	Sl	NNP
cord-310218-fky0cm5e	25	10	and	and	CC
cord-310218-fky0cm5e	25	11	S2	s2	NN
cord-310218-fky0cm5e	25	12	subunits	subunit	NNS
cord-310218-fky0cm5e	25	13	at	at	IN
cord-310218-fky0cm5e	25	14	amino	amino	NN
cord-310218-fky0cm5e	25	15	acids	acid	NNS
cord-310218-fky0cm5e	25	16	768	768	CD
cord-310218-fky0cm5e	25	17	-	-	HYPH
cord-310218-fky0cm5e	25	18	769	769	CD
cord-310218-fky0cm5e	25	19	and	and	CC
cord-310218-fky0cm5e	25	20	forms	form	VBZ
cord-310218-fky0cm5e	25	21	the	the	DT
cord-310218-fky0cm5e	25	22	large	large	JJ
cord-310218-fky0cm5e	25	23	club	club	NN
cord-310218-fky0cm5e	25	24	-	-	HYPH
cord-310218-fky0cm5e	25	25	shaped	shape	VBN
cord-310218-fky0cm5e	25	26	projections	projection	NNS
cord-310218-fky0cm5e	25	27	characteristic	characteristic	JJ
cord-310218-fky0cm5e	25	28	of	of	IN
cord-310218-fky0cm5e	25	29	coronaviruses	coronaviruse	NNS
cord-310218-fky0cm5e	25	30	(	(	-LRB-
cord-310218-fky0cm5e	25	31	9	9	CD
cord-310218-fky0cm5e	25	32	,	,	,
cord-310218-fky0cm5e	25	33	10	10	CD
cord-310218-fky0cm5e	25	34	)	)	-RRB-
cord-310218-fky0cm5e	25	35	.	.	.
cord-310218-fky0cm5e	26	1	The	the	DT
cord-310218-fky0cm5e	26	2	S2	s2	NN
cord-310218-fky0cm5e	26	3	subunit	subunit	NN
cord-310218-fky0cm5e	26	4	is	be	VBZ
cord-310218-fky0cm5e	26	5	associated	associate	VBN
cord-310218-fky0cm5e	26	6	with	with	IN
cord-310218-fky0cm5e	26	7	the	the	DT
cord-310218-fky0cm5e	26	8	viral	viral	JJ
cord-310218-fky0cm5e	26	9	envelope	envelope	NN
cord-310218-fky0cm5e	26	10	and	and	CC
cord-310218-fky0cm5e	26	11	forms	form	NNS
cord-310218-fky0cm5e	26	12	the	the	DT
cord-310218-fky0cm5e	26	13	stalk	stalk	NN
cord-310218-fky0cm5e	26	14	of	of	IN
cord-310218-fky0cm5e	26	15	the	the	DT
cord-310218-fky0cm5e	26	16	surface	surface	NN
cord-310218-fky0cm5e	26	17	projection	projection	NN
cord-310218-fky0cm5e	26	18	while	while	IN
cord-310218-fky0cm5e	26	19	the	the	DT
cord-310218-fky0cm5e	26	20	Sl	Sl	NNP
cord-310218-fky0cm5e	26	21	subunit	subunit	NN
cord-310218-fky0cm5e	26	22	is	be	VBZ
cord-310218-fky0cm5e	26	23	believed	believe	VBN
cord-310218-fky0cm5e	26	24	to	to	TO
cord-310218-fky0cm5e	26	25	form	form	VB
cord-310218-fky0cm5e	26	26	the	the	DT
cord-310218-fky0cm5e	26	27	bulbous	bulbous	JJ
cord-310218-fky0cm5e	26	28	head	head	NN
cord-310218-fky0cm5e	26	29	of	of	IN
cord-310218-fky0cm5e	26	30	the	the	DT
cord-310218-fky0cm5e	26	31	projection	projection	NN
cord-310218-fky0cm5e	26	32	.	.	.
cord-310218-fky0cm5e	27	1	Studies	study	NNS
cord-310218-fky0cm5e	27	2	using	use	VBG
cord-310218-fky0cm5e	27	3	a	a	DT
cord-310218-fky0cm5e	27	4	series	series	NN
cord-310218-fky0cm5e	27	5	of	of	IN
cord-310218-fky0cm5e	27	6	monoclonal	monoclonal	JJ
cord-310218-fky0cm5e	27	7	antibodies	antibody	NNS
cord-310218-fky0cm5e	27	8	have	have	VBP
cord-310218-fky0cm5e	27	9	demonstrated	demonstrate	VBN
cord-310218-fky0cm5e	27	10	that	that	IN
cord-310218-fky0cm5e	27	11	BCV	BCV	NNP
cord-310218-fky0cm5e	27	12	-	-	HYPH
cord-310218-fky0cm5e	27	13	neutralizing	neutralize	VBG
cord-310218-fky0cm5e	27	14	epitopes	epitope	NNS
cord-310218-fky0cm5e	27	15	are	be	VBP
cord-310218-fky0cm5e	27	16	located	locate	VBN
cord-310218-fky0cm5e	27	17	on	on	IN
cord-310218-fky0cm5e	27	18	the	the	DT
cord-310218-fky0cm5e	27	19	HE	HE	NNP
cord-310218-fky0cm5e	27	20	glycoprotein	glycoprotein	NN
cord-310218-fky0cm5e	27	21	(	(	-LRB-
cord-310218-fky0cm5e	27	22	1	1	CD
cord-310218-fky0cm5e	27	23	I	I	NNP
cord-310218-fky0cm5e	27	24	)	)	-RRB-
cord-310218-fky0cm5e	27	25	and	and	CC
cord-310218-fky0cm5e	27	26	the	the	DT
cord-310218-fky0cm5e	27	27	Sl	Sl	NNP
cord-310218-fky0cm5e	27	28	subunit	subunit	NN
cord-310218-fky0cm5e	27	29	of	of	IN
cord-310218-fky0cm5e	27	30	the	the	DT
cord-310218-fky0cm5e	27	31	S	S	NNP
cord-310218-fky0cm5e	27	32	glycoprotein	glycoprotein	NN
cord-310218-fky0cm5e	27	33	(	(	-LRB-
cord-310218-fky0cm5e	27	34	I	i	NN
cord-310218-fky0cm5e	27	35	1	1	CD
cord-310218-fky0cm5e	27	36	,	,	,
cord-310218-fky0cm5e	27	37	12	12	CD
cord-310218-fky0cm5e	27	38	)	)	-RRB-
cord-310218-fky0cm5e	27	39	.	.	.
cord-310218-fky0cm5e	28	1	The	the	DT
cord-310218-fky0cm5e	28	2	biological	biological	JJ
cord-310218-fky0cm5e	28	3	significance	significance	NN
cord-310218-fky0cm5e	28	4	of	of	IN
cord-310218-fky0cm5e	28	5	the	the	DT
cord-310218-fky0cm5e	28	6	S2	S2	NNP
cord-310218-fky0cm5e	28	7	subunit	subunit	NN
cord-310218-fky0cm5e	28	8	of	of	IN
cord-310218-fky0cm5e	28	9	BCV	BCV	NNP
cord-310218-fky0cm5e	28	10	has	have	VBZ
cord-310218-fky0cm5e	28	11	not	not	RB
cord-310218-fky0cm5e	28	12	been	be	VBN
cord-310218-fky0cm5e	28	13	determined	determine	VBN
cord-310218-fky0cm5e	28	14	yet	yet	RB
cord-310218-fky0cm5e	28	15	.	.	.
cord-310218-fky0cm5e	29	1	Although	although	IN
cord-310218-fky0cm5e	29	2	cell	cell	NN
cord-310218-fky0cm5e	29	3	fusion	fusion	NN
cord-310218-fky0cm5e	29	4	has	have	VBZ
cord-310218-fky0cm5e	29	5	been	be	VBN
cord-310218-fky0cm5e	29	6	observed	observe	VBN
cord-310218-fky0cm5e	29	7	in	in	IN
cord-310218-fky0cm5e	29	8	cultures	culture	NNS
cord-310218-fky0cm5e	29	9	'	'	''
cord-310218-fky0cm5e	29	10	To	to	IN
cord-310218-fky0cm5e	29	11	whom	whom	WP
cord-310218-fky0cm5e	29	12	requests	request	VBZ
cord-310218-fky0cm5e	29	13	for	for	IN
cord-310218-fky0cm5e	29	14	reprints	reprint	NNS
cord-310218-fky0cm5e	29	15	should	should	MD
cord-310218-fky0cm5e	29	16	be	be	VB
cord-310218-fky0cm5e	29	17	addressed	address	VBN
cord-310218-fky0cm5e	29	18	.	.	.
cord-310218-fky0cm5e	30	1	infected	infect	VBN
cord-310218-fky0cm5e	30	2	with	with	IN
cord-310218-fky0cm5e	30	3	many	many	JJ
cord-310218-fky0cm5e	30	4	coronaviruses	coronaviruse	NNS
cord-310218-fky0cm5e	30	5	,	,	,
cord-310218-fky0cm5e	30	6	there	there	EX
cord-310218-fky0cm5e	30	7	is	be	VBZ
cord-310218-fky0cm5e	30	8	no	no	DT
cord-310218-fky0cm5e	30	9	direct	direct	JJ
cord-310218-fky0cm5e	30	10	evidence	evidence	NN
cord-310218-fky0cm5e	30	11	as	as	IN
cord-310218-fky0cm5e	30	12	to	to	IN
cord-310218-fky0cm5e	30	13	which	which	WDT
cord-310218-fky0cm5e	30	14	viral	viral	JJ
cord-310218-fky0cm5e	30	15	components	component	NNS
cord-310218-fky0cm5e	30	16	are	be	VBP
cord-310218-fky0cm5e	30	17	involved	involve	VBN
cord-310218-fky0cm5e	30	18	(	(	-LRB-
cord-310218-fky0cm5e	30	19	13	13	CD
cord-310218-fky0cm5e	30	20	,	,	,
cord-310218-fky0cm5e	30	21	14	14	CD
cord-310218-fky0cm5e	30	22	)	)	-RRB-
cord-310218-fky0cm5e	30	23	.	.	.
cord-310218-fky0cm5e	31	1	One	one	CD
cord-310218-fky0cm5e	31	2	approach	approach	NN
cord-310218-fky0cm5e	31	3	to	to	TO
cord-310218-fky0cm5e	31	4	elucidate	elucidate	VB
cord-310218-fky0cm5e	31	5	the	the	DT
cord-310218-fky0cm5e	31	6	function	function	NN
cord-310218-fky0cm5e	31	7	of	of	IN
cord-310218-fky0cm5e	31	8	individual	individual	JJ
cord-310218-fky0cm5e	31	9	viral	viral	JJ
cord-310218-fky0cm5e	31	10	components	component	NNS
cord-310218-fky0cm5e	31	11	is	be	VBZ
cord-310218-fky0cm5e	31	12	to	to	TO
cord-310218-fky0cm5e	31	13	express	express	VB
cord-310218-fky0cm5e	31	14	the	the	DT
cord-310218-fky0cm5e	31	15	genes	gene	NNS
cord-310218-fky0cm5e	31	16	for	for	IN
cord-310218-fky0cm5e	31	17	the	the	DT
cord-310218-fky0cm5e	31	18	individual	individual	JJ
cord-310218-fky0cm5e	31	19	protein	protein	NN
cord-310218-fky0cm5e	31	20	and	and	CC
cord-310218-fky0cm5e	31	21	examine	examine	VB
cord-310218-fky0cm5e	31	22	their	-PRON-	PRP$
cord-310218-fky0cm5e	31	23	biological	biological	JJ
cord-310218-fky0cm5e	31	24	activiti.es	activiti.es	NN
cord-310218-fky0cm5e	31	25	in	in	IN
cord-310218-fky0cm5e	31	26	the	the	DT
cord-310218-fky0cm5e	31	27	absence	absence	NN
cord-310218-fky0cm5e	31	28	of	of	IN
cord-310218-fky0cm5e	31	29	other	other	JJ
cord-310218-fky0cm5e	31	30	viral	viral	JJ
cord-310218-fky0cm5e	31	31	components	component	NNS
cord-310218-fky0cm5e	31	32	.	.	.
cord-310218-fky0cm5e	32	1	Recently	recently	RB
cord-310218-fky0cm5e	32	2	,	,	,
cord-310218-fky0cm5e	32	3	the	the	DT
cord-310218-fky0cm5e	32	4	Autograph	Autograph	NNP
cord-310218-fky0cm5e	32	5	californica	californica	NNP
cord-310218-fky0cm5e	32	6	nuclear	nuclear	JJ
cord-310218-fky0cm5e	32	7	polyhedrosis	polyhedrosis	NN
cord-310218-fky0cm5e	32	8	baculovirus	baculovirus	NNP
cord-310218-fky0cm5e	32	9	has	have	VBZ
cord-310218-fky0cm5e	32	10	been	be	VBN
cord-310218-fky0cm5e	32	11	developed	develop	VBN
cord-310218-fky0cm5e	32	12	as	as	IN
cord-310218-fky0cm5e	32	13	a	a	DT
cord-310218-fky0cm5e	32	14	helper	helper	NN
cord-310218-fky0cm5e	32	15	-	-	HYPH
cord-310218-fky0cm5e	32	16	independent	independent	JJ
cord-310218-fky0cm5e	32	17	expression	expression	NN
cord-310218-fky0cm5e	32	18	vector	vector	NN
cord-310218-fky0cm5e	32	19	.	.	.
cord-310218-fky0cm5e	33	1	The	the	DT
cord-310218-fky0cm5e	33	2	recombinant	recombinant	JJ
cord-310218-fky0cm5e	33	3	proteins	protein	NNS
cord-310218-fky0cm5e	33	4	expressed	express	VBN
cord-310218-fky0cm5e	33	5	by	by	IN
cord-310218-fky0cm5e	33	6	baculovirus	baculoviru	NNS
cord-310218-fky0cm5e	33	7	appear	appear	VBP
cord-310218-fky0cm5e	33	8	to	to	TO
cord-310218-fky0cm5e	33	9	retain	retain	VB
cord-310218-fky0cm5e	33	10	the	the	DT
cord-310218-fky0cm5e	33	11	biological	biological	JJ
cord-310218-fky0cm5e	33	12	activities	activity	NNS
cord-310218-fky0cm5e	33	13	,	,	,
cord-310218-fky0cm5e	33	14	such	such	JJ
cord-310218-fky0cm5e	33	15	as	as	IN
cord-310218-fky0cm5e	33	16	immunogenicity	immunogenicity	NN
cord-310218-fky0cm5e	33	17	,	,	,
cord-310218-fky0cm5e	33	18	enzymatic	enzymatic	JJ
cord-310218-fky0cm5e	33	19	activity	activity	NN
cord-310218-fky0cm5e	33	20	,	,	,
cord-310218-fky0cm5e	33	21	and	and	CC
cord-310218-fky0cm5e	33	22	other	other	JJ
cord-310218-fky0cm5e	33	23	physicochemical	physicochemical	JJ
cord-310218-fky0cm5e	33	24	properties	property	NNS
cord-310218-fky0cm5e	33	25	(	(	-LRB-
cord-310218-fky0cm5e	33	26	15	15	CD
cord-310218-fky0cm5e	33	27	,	,	,
cord-310218-fky0cm5e	33	28	16	16	CD
cord-310218-fky0cm5e	33	29	)	)	-RRB-
cord-310218-fky0cm5e	33	30	.	.	.
cord-310218-fky0cm5e	34	1	Several	several	JJ
cord-310218-fky0cm5e	34	2	viral	viral	JJ
cord-310218-fky0cm5e	34	3	fusion	fusion	NN
cord-310218-fky0cm5e	34	4	proteins	protein	NNS
cord-310218-fky0cm5e	34	5	expressed	express	VBN
cord-310218-fky0cm5e	34	6	in	in	IN
cord-310218-fky0cm5e	34	7	insect	insect	NN
cord-310218-fky0cm5e	34	8	cells	cell	NNS
cord-310218-fky0cm5e	34	9	have	have	VBP
cord-310218-fky0cm5e	34	10	been	be	VBN
cord-310218-fky0cm5e	34	11	also	also	RB
cord-310218-fky0cm5e	34	12	demonstrated	demonstrate	VBN
cord-310218-fky0cm5e	34	13	to	to	TO
cord-310218-fky0cm5e	34	14	be	be	VB
cord-310218-fky0cm5e	34	15	biologically	biologically	RB
cord-310218-fky0cm5e	34	16	active	active	JJ
cord-310218-fky0cm5e	34	17	(	(	-LRB-
cord-310218-fky0cm5e	34	18	17	17	CD
cord-310218-fky0cm5e	34	19	,	,	,
cord-310218-fky0cm5e	34	20	18	18	CD
cord-310218-fky0cm5e	34	21	)	)	-RRB-
cord-310218-fky0cm5e	34	22	.	.	.
cord-310218-fky0cm5e	35	1	Thus	thus	RB
cord-310218-fky0cm5e	35	2	,	,	,
cord-310218-fky0cm5e	35	3	in	in	IN
cord-310218-fky0cm5e	35	4	order	order	NN
cord-310218-fky0cm5e	35	5	to	to	TO
cord-310218-fky0cm5e	35	6	identify	identify	VB
cord-310218-fky0cm5e	35	7	the	the	DT
cord-310218-fky0cm5e	35	8	viral	viral	JJ
cord-310218-fky0cm5e	35	9	membrane	membrane	NN
cord-310218-fky0cm5e	35	10	glycoprotein	glycoprotein	NN
cord-310218-fky0cm5e	35	11	which	which	WDT
cord-310218-fky0cm5e	35	12	induces	induce	VBZ
cord-310218-fky0cm5e	35	13	cell	cell	NN
cord-310218-fky0cm5e	35	14	fusion	fusion	NN
cord-310218-fky0cm5e	35	15	by	by	IN
cord-310218-fky0cm5e	35	16	BCV	BCV	NNP
cord-310218-fky0cm5e	35	17	,	,	,
cord-310218-fky0cm5e	35	18	we	-PRON-	PRP
cord-310218-fky0cm5e	35	19	expressed	express	VBD
cord-310218-fky0cm5e	35	20	the	the	DT
cord-310218-fky0cm5e	35	21	HE	HE	NNP
cord-310218-fky0cm5e	35	22	,	,	,
cord-310218-fky0cm5e	35	23	the	the	DT
cord-310218-fky0cm5e	35	24	S	S	NNP
cord-310218-fky0cm5e	35	25	,	,	,
cord-310218-fky0cm5e	35	26	and	and	CC
cord-310218-fky0cm5e	35	27	the	the	DT
cord-310218-fky0cm5e	35	28	Sl	Sl	NNP
cord-310218-fky0cm5e	35	29	and	and	CC
cord-310218-fky0cm5e	35	30	S2	s2	NN
cord-310218-fky0cm5e	35	31	subunits	subunit	NNS
cord-310218-fky0cm5e	35	32	of	of	IN
cord-310218-fky0cm5e	35	33	the	the	DT
cord-310218-fky0cm5e	35	34	S	S	NNP
cord-310218-fky0cm5e	35	35	glycoprotein	glycoprotein	NN
cord-310218-fky0cm5e	35	36	using	use	VBG
cord-310218-fky0cm5e	35	37	recombinant	recombinant	JJ
cord-310218-fky0cm5e	35	38	baculoviruses	baculoviruse	NNS
cord-310218-fky0cm5e	35	39	,	,	,
cord-310218-fky0cm5e	35	40	and	and	CC
cord-310218-fky0cm5e	35	41	examined	examine	VBD
cord-310218-fky0cm5e	35	42	the	the	DT
cord-310218-fky0cm5e	35	43	cell	cell	NN
cord-310218-fky0cm5e	35	44	-	-	HYPH
cord-310218-fky0cm5e	35	45	fusing	fuse	VBG
cord-310218-fky0cm5e	35	46	activity	activity	NN
cord-310218-fky0cm5e	35	47	of	of	IN
cord-310218-fky0cm5e	35	48	each	each	DT
cord-310218-fky0cm5e	35	49	recombinant	recombinant	JJ
cord-310218-fky0cm5e	35	50	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	35	51	.	.	.
cord-310218-fky0cm5e	36	1	The	the	DT
cord-310218-fky0cm5e	36	2	construction	construction	NN
cord-310218-fky0cm5e	36	3	of	of	IN
cord-310218-fky0cm5e	36	4	recombinant	recombinant	JJ
cord-310218-fky0cm5e	36	5	plasmids	plasmid	NNS
cord-310218-fky0cm5e	36	6	of	of	IN
cord-310218-fky0cm5e	36	7	the	the	DT
cord-310218-fky0cm5e	36	8	HE	HE	NNP
cord-310218-fky0cm5e	36	9	(	(	-LRB-
cord-310218-fky0cm5e	36	10	8)	8)	NNP
cord-310218-fky0cm5e	36	11	S	S	NNP
cord-310218-fky0cm5e	36	12	(	(	-LRB-
cord-310218-fky0cm5e	36	13	9	9	CD
cord-310218-fky0cm5e	36	14	)	)	-RRB-
cord-310218-fky0cm5e	36	15	and	and	CC
cord-310218-fky0cm5e	37	1	Sl	Sl	NNP
cord-310218-fky0cm5e	37	2	(	(	-LRB-
cord-310218-fky0cm5e	37	3	12	12	CD
cord-310218-fky0cm5e	37	4	)	)	-RRB-
cord-310218-fky0cm5e	37	5	genes	gene	NNS
cord-310218-fky0cm5e	37	6	of	of	IN
cord-310218-fky0cm5e	37	7	BCV	BCV	NNP
cord-310218-fky0cm5e	37	8	have	have	VBP
cord-310218-fky0cm5e	37	9	been	be	VBN
cord-310218-fky0cm5e	37	10	described	describe	VBN
cord-310218-fky0cm5e	37	11	in	in	IN
cord-310218-fky0cm5e	37	12	detail	detail	NN
cord-310218-fky0cm5e	37	13	elsewhere	elsewhere	RB
cord-310218-fky0cm5e	37	14	.	.	.
cord-310218-fky0cm5e	38	1	Briefly	briefly	RB
cord-310218-fky0cm5e	38	2	,	,	,
cord-310218-fky0cm5e	38	3	in	in	IN
cord-310218-fky0cm5e	38	4	order	order	NN
cord-310218-fky0cm5e	38	5	to	to	TO
cord-310218-fky0cm5e	38	6	express	express	VB
cord-310218-fky0cm5e	38	7	the	the	DT
cord-310218-fky0cm5e	38	8	Sl	Sl	NNP
cord-310218-fky0cm5e	38	9	subunit	subunit	NN
cord-310218-fky0cm5e	38	10	,	,	,
cord-310218-fky0cm5e	38	11	the	the	DT
cord-310218-fky0cm5e	38	12	S	S	NNP
cord-310218-fky0cm5e	38	13	gene	gene	NN
cord-310218-fky0cm5e	38	14	was	be	VBD
cord-310218-fky0cm5e	38	15	digested	digest	VBN
cord-310218-fky0cm5e	38	16	with	with	IN
cord-310218-fky0cm5e	38	17	Tthllll	Tthllll	NNP
cord-310218-fky0cm5e	38	18	,	,	,
cord-310218-fky0cm5e	38	19	which	which	WDT
cord-310218-fky0cm5e	38	20	cleaved	cleave	VBD
cord-310218-fky0cm5e	38	21	the	the	DT
cord-310218-fky0cm5e	38	22	S	S	NNP
cord-310218-fky0cm5e	38	23	gene	gene	NN
cord-310218-fky0cm5e	38	24	within	within	IN
cord-310218-fky0cm5e	38	25	the	the	DT
cord-310218-fky0cm5e	38	26	sequences	sequence	NNS
cord-310218-fky0cm5e	38	27	encoding	encode	VBG
cord-310218-fky0cm5e	38	28	the	the	DT
cord-310218-fky0cm5e	38	29	proteolytic	proteolytic	JJ
cord-310218-fky0cm5e	38	30	cleavage	cleavage	NN
cord-310218-fky0cm5e	38	31	site	site	NN
cord-310218-fky0cm5e	38	32	of	of	IN
cord-310218-fky0cm5e	38	33	the	the	DT
cord-310218-fky0cm5e	38	34	S	S	NNP
cord-310218-fky0cm5e	38	35	precursor	precursor	NN
cord-310218-fky0cm5e	38	36	glycoprotein	glycoprotein	NN
cord-310218-fky0cm5e	38	37	(	(	-LRB-
cord-310218-fky0cm5e	38	38	nucleotides	nucleotide	NNS
cord-310218-fky0cm5e	38	39	2294	2294	CD
cord-310218-fky0cm5e	38	40	-	-	SYM
cord-310218-fky0cm5e	38	41	2295	2295	CD
cord-310218-fky0cm5e	38	42	)	)	-RRB-
cord-310218-fky0cm5e	38	43	.	.	.
cord-310218-fky0cm5e	39	1	The	the	DT
cord-310218-fky0cm5e	39	2	5	5	CD
cord-310218-fky0cm5e	39	3	'	'	NN
cord-310218-fky0cm5e	39	4	2294nucleotide	2294nucleotide	CD
cord-310218-fky0cm5e	39	5	fragment	fragment	NN
cord-310218-fky0cm5e	39	6	was	be	VBD
cord-310218-fky0cm5e	39	7	fused	fuse	VBN
cord-310218-fky0cm5e	39	8	to	to	IN
cord-310218-fky0cm5e	39	9	a	a	DT
cord-310218-fky0cm5e	39	10	universal	universal	JJ
cord-310218-fky0cm5e	39	11	translational	translational	JJ
cord-310218-fky0cm5e	39	12	terminator	terminator	NN
cord-310218-fky0cm5e	39	13	and	and	CC
cord-310218-fky0cm5e	39	14	inserted	insert	VBD
cord-310218-fky0cm5e	39	15	into	into	IN
cord-310218-fky0cm5e	39	16	the	the	DT
cord-310218-fky0cm5e	39	17	BarnHI	BarnHI	NNP
cord-310218-fky0cm5e	39	18	site	site	NN
cord-310218-fky0cm5e	39	19	of	of	IN
cord-310218-fky0cm5e	39	20	baculovirus	baculovirus	NNP
cord-310218-fky0cm5e	39	21	transfer	transfer	NN
cord-310218-fky0cm5e	39	22	vector	vector	NN
cord-310218-fky0cm5e	39	23	pAcYM	pAcYM	NNS
cord-310218-fky0cm5e	39	24	1	1	CD
cord-310218-fky0cm5e	39	25	(	(	-LRB-
cord-310218-fky0cm5e	39	26	19	19	CD
cord-310218-fky0cm5e	39	27	)	)	-RRB-
cord-310218-fky0cm5e	39	28	.	.	.
cord-310218-fky0cm5e	40	1	Because	because	IN
cord-310218-fky0cm5e	40	2	the	the	DT
cord-310218-fky0cm5e	40	3	S2	S2	NNP
cord-310218-fky0cm5e	40	4	subunit	subunit	NN
cord-310218-fky0cm5e	40	5	is	be	VBZ
cord-310218-fky0cm5e	40	6	derived	derive	VBN
cord-310218-fky0cm5e	40	7	by	by	IN
cord-310218-fky0cm5e	40	8	proteolytic	proteolytic	JJ
cord-310218-fky0cm5e	40	9	cleavage	cleavage	NN
cord-310218-fky0cm5e	40	10	of	of	IN
cord-310218-fky0cm5e	40	11	the	the	DT
cord-310218-fky0cm5e	40	12	S	S	NNP
cord-310218-fky0cm5e	40	13	precursor	precursor	NN
cord-310218-fky0cm5e	40	14	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	40	15	,	,	,
cord-310218-fky0cm5e	40	16	the	the	DT
cord-310218-fky0cm5e	40	17	cDNA	cdna	NN
cord-310218-fky0cm5e	40	18	sequences	sequence	NNS
cord-310218-fky0cm5e	40	19	encoding	encode	VBG
cord-310218-fky0cm5e	40	20	the	the	DT
cord-310218-fky0cm5e	40	21	S2	S2	NNP
cord-310218-fky0cm5e	40	22	subunit	subunit	NN
cord-310218-fky0cm5e	40	23	lack	lack	VBP
cord-310218-fky0cm5e	40	24	a	a	DT
cord-310218-fky0cm5e	40	25	translation	translation	NN
cord-310218-fky0cm5e	40	26	initiation	initiation	NN
cord-310218-fky0cm5e	40	27	codon	codon	NN
cord-310218-fky0cm5e	40	28	and	and	CC
cord-310218-fky0cm5e	40	29	membrane	membrane	NN
cord-310218-fky0cm5e	40	30	translocation	translocation	NN
cord-310218-fky0cm5e	40	31	sequence	sequence	NN
cord-310218-fky0cm5e	40	32	.	.	.
cord-310218-fky0cm5e	41	1	Therefore	therefore	RB
cord-310218-fky0cm5e	41	2	,	,	,
cord-310218-fky0cm5e	41	3	the	the	DT
cord-310218-fky0cm5e	41	4	cDNA	cdna	NN
cord-310218-fky0cm5e	41	5	sequence	sequence	NN
cord-310218-fky0cm5e	41	6	encoding	encode	VBG
cord-310218-fky0cm5e	41	7	the	the	DT
cord-310218-fky0cm5e	41	8	S2	S2	NNP
cord-310218-fky0cm5e	41	9	subunit	subunit	NN
cord-310218-fky0cm5e	41	10	was	be	VBD
cord-310218-fky0cm5e	41	11	fused	fuse	VBN
cord-310218-fky0cm5e	41	12	to	to	IN
cord-310218-fky0cm5e	41	13	the	the	DT
cord-310218-fky0cm5e	41	14	amino	amino	NN
cord-310218-fky0cm5e	41	15	-	-	HYPH
cord-310218-fky0cm5e	41	16	terminal	terminal	NN
cord-310218-fky0cm5e	41	17	signal	signal	NN
cord-310218-fky0cm5e	41	18	sequence	sequence	NN
cord-310218-fky0cm5e	41	19	of	of	IN
cord-310218-fky0cm5e	41	20	the	the	DT
cord-310218-fky0cm5e	41	21	BCV	BCV	NNP
cord-310218-fky0cm5e	41	22	HE	HE	NNP
cord-310218-fky0cm5e	41	23	gly-	gly-	VBZ
cord-310218-fky0cm5e	41	24	coprotein	coprotein	NN
cord-310218-fky0cm5e	41	25	.	.	.
cord-310218-fky0cm5e	42	1	Plasmid	Plasmid	NNP
cord-310218-fky0cm5e	42	2	pCVE3	pCVE3	NNP
cord-310218-fky0cm5e	42	3	(	(	-LRB-
cord-310218-fky0cm5e	42	4	20	20	CD
cord-310218-fky0cm5e	42	5	)	)	-RRB-
cord-310218-fky0cm5e	42	6	,	,	,
cord-310218-fky0cm5e	42	7	which	which	WDT
cord-310218-fky0cm5e	42	8	contains	contain	VBZ
cord-310218-fky0cm5e	42	9	the	the	DT
cord-310218-fky0cm5e	42	10	cloned	clone	VBN
cord-310218-fky0cm5e	42	11	HE	HE	NNP
cord-310218-fky0cm5e	42	12	gene	gene	NN
cord-310218-fky0cm5e	42	13	of	of	IN
cord-310218-fky0cm5e	42	14	BCV	BCV	NNP
cord-310218-fky0cm5e	42	15	in	in	IN
cord-310218-fky0cm5e	42	16	the	the	DT
cord-310218-fky0cm5e	42	17	BamHl	BamHl	NNP
cord-310218-fky0cm5e	42	18	site	site	NN
cord-310218-fky0cm5e	42	19	of	of	IN
cord-310218-fky0cm5e	42	20	pTZ18R	ptz18r	JJ
cord-310218-fky0cm5e	42	21	(	(	-LRB-
cord-310218-fky0cm5e	42	22	Pharmacia	Pharmacia	NNP
cord-310218-fky0cm5e	42	23	)	)	-RRB-
cord-310218-fky0cm5e	42	24	,	,	,
cord-310218-fky0cm5e	42	25	was	be	VBD
cord-310218-fky0cm5e	42	26	digested	digest	VBN
cord-310218-fky0cm5e	42	27	with	with	IN
cord-310218-fky0cm5e	42	28	Styl	Styl	NNP
cord-310218-fky0cm5e	42	29	,	,	,
cord-310218-fky0cm5e	42	30	blunt	blunt	JJ
cord-310218-fky0cm5e	42	31	-	-	HYPH
cord-310218-fky0cm5e	42	32	ended	end	VBN
cord-310218-fky0cm5e	42	33	by	by	IN
cord-310218-fky0cm5e	42	34	Si	Si	NNP
cord-310218-fky0cm5e	42	35	nuclease	nuclease	NN
cord-310218-fky0cm5e	42	36	treatment	treatment	NN
cord-310218-fky0cm5e	42	37	and	and	CC
cord-310218-fky0cm5e	42	38	digested	digest	VBN
cord-310218-fky0cm5e	42	39	with	with	IN
cord-310218-fky0cm5e	42	40	S&l	S&l	NNP
cord-310218-fky0cm5e	42	41	.	.	.
cord-310218-fky0cm5e	43	1	A	a	DT
cord-310218-fky0cm5e	43	2	2.0-kb	2.0-kb	CD
cord-310218-fky0cm5e	43	3	Seal	Seal	NNP
cord-310218-fky0cm5e	43	4	-	-	HYPH
cord-310218-fky0cm5e	43	5	Sal1	Sal1	NNP
cord-310218-fky0cm5e	43	6	fragment	fragment	NN
cord-310218-fky0cm5e	43	7	containing	contain	VBG
cord-310218-fky0cm5e	43	8	the	the	DT
cord-310218-fky0cm5e	43	9	cDNA	cdna	NN
cord-310218-fky0cm5e	43	10	sequences	sequence	NNS
cord-310218-fky0cm5e	43	11	encoding	encode	VBG
cord-310218-fky0cm5e	43	12	the	the	DT
cord-310218-fky0cm5e	43	13	S2	S2	NNP
cord-310218-fky0cm5e	43	14	subunit	subunit	NN
cord-310218-fky0cm5e	43	15	was	be	VBD
cord-310218-fky0cm5e	43	16	obtained	obtain	VBN
cord-310218-fky0cm5e	43	17	from	from	IN
cord-310218-fky0cm5e	43	18	the	the	DT
cord-310218-fky0cm5e	43	19	plasmid	plasmid	NN
cord-310218-fky0cm5e	43	20	pCVE2	pcve2	NN
cord-310218-fky0cm5e	43	21	,	,	,
cord-310218-fky0cm5e	43	22	which	which	WDT
cord-310218-fky0cm5e	43	23	contains	contain	VBZ
cord-310218-fky0cm5e	43	24	the	the	DT
cord-310218-fky0cm5e	43	25	BCV	BCV	NNP
cord-310218-fky0cm5e	43	26	S	S	NNP
cord-310218-fky0cm5e	43	27	gene	gene	NN
cord-310218-fky0cm5e	43	28	cloned	clone	VBN
cord-310218-fky0cm5e	43	29	in	in	IN
cord-310218-fky0cm5e	43	30	the	the	DT
cord-310218-fky0cm5e	43	31	BamHl	BamHl	NNP
cord-310218-fky0cm5e	43	32	site	site	NN
cord-310218-fky0cm5e	43	33	of	of	IN
cord-310218-fky0cm5e	43	34	pTZl8R	ptzl8r	NN
cord-310218-fky0cm5e	43	35	and	and	CC
cord-310218-fky0cm5e	43	36	was	be	VBD
cord-310218-fky0cm5e	43	37	ligated	ligate	VBN
cord-310218-fky0cm5e	43	38	into	into	IN
cord-310218-fky0cm5e	43	39	the	the	DT
cord-310218-fky0cm5e	43	40	linearized	linearize	VBN
cord-310218-fky0cm5e	43	41	pCVE3	pcve3	NN
cord-310218-fky0cm5e	43	42	.	.	.
cord-310218-fky0cm5e	44	1	This	this	DT
cord-310218-fky0cm5e	44	2	recombinant	recombinant	JJ
cord-310218-fky0cm5e	44	3	plasmid	plasmid	NN
cord-310218-fky0cm5e	44	4	was	be	VBD
cord-310218-fky0cm5e	44	5	subsequently	subsequently	RB
cord-310218-fky0cm5e	44	6	modified	modify	VBN
cord-310218-fky0cm5e	44	7	by	by	IN
cord-310218-fky0cm5e	44	8	site	site	NN
cord-310218-fky0cm5e	44	9	-	-	HYPH
cord-310218-fky0cm5e	44	10	directed	direct	VBN
cord-310218-fky0cm5e	44	11	mutagenesis	mutagenesis	NN
cord-310218-fky0cm5e	44	12	,	,	,
cord-310218-fky0cm5e	44	13	yielding	yield	VBG
cord-310218-fky0cm5e	44	14	plasmid	plasmid	NN
cord-310218-fky0cm5e	44	15	pAcDS2	pAcDS2	NNP
cord-310218-fky0cm5e	44	16	,	,	,
cord-310218-fky0cm5e	44	17	which	which	WDT
cord-310218-fky0cm5e	44	18	contained	contain	VBD
cord-310218-fky0cm5e	44	19	the	the	DT
cord-310218-fky0cm5e	44	20	complete	complete	JJ
cord-310218-fky0cm5e	44	21	BCV	BCV	NNP
cord-310218-fky0cm5e	44	22	HE	HE	NNP
cord-310218-fky0cm5e	44	23	signal	signal	NN
cord-310218-fky0cm5e	44	24	sequence	sequence	NN
cord-310218-fky0cm5e	44	25	(	(	-LRB-
cord-310218-fky0cm5e	44	26	21	21	CD
cord-310218-fky0cm5e	44	27	)	)	-RRB-
cord-310218-fky0cm5e	44	28	fused	fuse	VBN
cord-310218-fky0cm5e	44	29	to	to	IN
cord-310218-fky0cm5e	44	30	the	the	DT
cord-310218-fky0cm5e	44	31	S2	S2	NNP
cord-310218-fky0cm5e	44	32	subunit	subunit	NN
cord-310218-fky0cm5e	44	33	through	through	IN
cord-310218-fky0cm5e	44	34	the	the	DT
cord-310218-fky0cm5e	44	35	alanine	alanine	JJ
cord-310218-fky0cm5e	44	36	residue	residue	NN
cord-310218-fky0cm5e	44	37	located	locate	VBN
cord-310218-fky0cm5e	44	38	at	at	IN
cord-310218-fky0cm5e	44	39	the	the	DT
cord-310218-fky0cm5e	44	40	amino	amino	NN
cord-310218-fky0cm5e	44	41	terminus	terminus	NN
cord-310218-fky0cm5e	44	42	of	of	IN
cord-310218-fky0cm5e	44	43	the	the	DT
cord-310218-fky0cm5e	44	44	mature	mature	JJ
cord-310218-fky0cm5e	44	45	S2	S2	NNP
cord-310218-fky0cm5e	44	46	subunit	subunit	NN
cord-310218-fky0cm5e	44	47	(	(	-LRB-
cord-310218-fky0cm5e	44	48	10	10	CD
cord-310218-fky0cm5e	44	49	)	)	-RRB-
cord-310218-fky0cm5e	45	1	(	(	-LRB-
cord-310218-fky0cm5e	45	2	Fig	Fig	NNP
cord-310218-fky0cm5e	45	3	.	.	NNP
cord-310218-fky0cm5e	45	4	1	1	CD
cord-310218-fky0cm5e	45	5	)	)	-RRB-
cord-310218-fky0cm5e	45	6	.	.	.
cord-310218-fky0cm5e	46	1	The	the	DT
cord-310218-fky0cm5e	46	2	cloned	clone	VBN
cord-310218-fky0cm5e	46	3	genes	gene	NNS
cord-310218-fky0cm5e	46	4	were	be	VBD
cord-310218-fky0cm5e	46	5	introduced	introduce	VBN
cord-310218-fky0cm5e	46	6	into	into	IN
cord-310218-fky0cm5e	46	7	the	the	DT
cord-310218-fky0cm5e	46	8	genome	genome	NN
cord-310218-fky0cm5e	46	9	of	of	IN
cord-310218-fky0cm5e	46	10	A.	A.	NNP
cord-310218-fky0cm5e	46	11	californica	californica	NNP
cord-310218-fky0cm5e	46	12	nuclear	nuclear	JJ
cord-310218-fky0cm5e	46	13	polyhedrosis	polyhedrosis	NN
cord-310218-fky0cm5e	46	14	virus	virus	NN
cord-310218-fky0cm5e	46	15	(	(	-LRB-
cord-310218-fky0cm5e	46	16	AcMNPV	acmnpv	NN
cord-310218-fky0cm5e	46	17	)	)	-RRB-
cord-310218-fky0cm5e	46	18	by	by	IN
cord-310218-fky0cm5e	46	19	homologous	homologous	JJ
cord-310218-fky0cm5e	46	20	recombination	recombination	NN
cord-310218-fky0cm5e	46	21	,	,	,
cord-310218-fky0cm5e	46	22	and	and	CC
cord-310218-fky0cm5e	46	23	recombinant	recombinant	JJ
cord-310218-fky0cm5e	46	24	viruses	virus	NNS
cord-310218-fky0cm5e	46	25	were	be	VBD
cord-310218-fky0cm5e	46	26	isolated	isolate	VBN
cord-310218-fky0cm5e	46	27	by	by	IN
cord-310218-fky0cm5e	46	28	plaque	plaque	NN
cord-310218-fky0cm5e	46	29	hybridization	hybridization	NN
cord-310218-fky0cm5e	46	30	and	and	CC
cord-310218-fky0cm5e	46	31	subsequent	subsequent	JJ
cord-310218-fky0cm5e	46	32	purification	purification	NN
cord-310218-fky0cm5e	46	33	(	(	-LRB-
cord-310218-fky0cm5e	46	34	22	22	CD
cord-310218-fky0cm5e	46	35	)	)	-RRB-
cord-310218-fky0cm5e	46	36	.	.	.
cord-310218-fky0cm5e	47	1	Recombinant	recombinant	JJ
cord-310218-fky0cm5e	47	2	baculoviruses	baculoviruse	NNS
cord-310218-fky0cm5e	47	3	containing	contain	VBG
cord-310218-fky0cm5e	47	4	the	the	DT
cord-310218-fky0cm5e	47	5	HE	HE	NNP
cord-310218-fky0cm5e	47	6	,	,	,
cord-310218-fky0cm5e	47	7	S	S	NNP
cord-310218-fky0cm5e	47	8	,	,	,
cord-310218-fky0cm5e	47	9	Sl	Sl	NNP
cord-310218-fky0cm5e	47	10	,	,	,
cord-310218-fky0cm5e	47	11	and	and	CC
cord-310218-fky0cm5e	47	12	S2	s2	NN
cord-310218-fky0cm5e	47	13	genes	gene	NNS
cord-310218-fky0cm5e	47	14	were	be	VBD
cord-310218-fky0cm5e	47	15	designated	designate	VBN
cord-310218-fky0cm5e	47	16	BVLHE	BVLHE	NNP
cord-310218-fky0cm5e	47	17	(	(	-LRB-
cord-310218-fky0cm5e	47	18	8)	8)	NNP
cord-310218-fky0cm5e	47	19	vAcS	vAcS	NNP
cord-310218-fky0cm5e	47	20	(	(	-LRB-
cord-310218-fky0cm5e	47	21	9	9	CD
cord-310218-fky0cm5e	47	22	)	)	-RRB-
cord-310218-fky0cm5e	47	23	,	,	,
cord-310218-fky0cm5e	47	24	vAcS1	vacs1	NN
cord-310218-fky0cm5e	47	25	(	(	-LRB-
cord-310218-fky0cm5e	47	26	12	12	CD
cord-310218-fky0cm5e	47	27	)	)	-RRB-
cord-310218-fky0cm5e	47	28	,	,	,
cord-310218-fky0cm5e	47	29	and	and	CC
cord-310218-fky0cm5e	47	30	vAcS2	vacs2	NN
cord-310218-fky0cm5e	47	31	,	,	,
cord-310218-fky0cm5e	47	32	respectively	respectively	RB
cord-310218-fky0cm5e	47	33	.	.	.
cord-310218-fky0cm5e	48	1	Synthesis	synthesis	NN
cord-310218-fky0cm5e	48	2	of	of	IN
cord-310218-fky0cm5e	48	3	BCV	BCV	NNP
cord-310218-fky0cm5e	48	4	-	-	HYPH
cord-310218-fky0cm5e	48	5	specific	specific	JJ
cord-310218-fky0cm5e	48	6	polypeptides	polypeptide	NNS
cord-310218-fky0cm5e	48	7	in	in	IN
cord-310218-fky0cm5e	48	8	Spodoptera	Spodoptera	NNP
cord-310218-fky0cm5e	48	9	frugiperda	frugiperda	NN
cord-310218-fky0cm5e	48	10	(	(	-LRB-
cord-310218-fky0cm5e	48	11	Sf9	sf9	NN
cord-310218-fky0cm5e	48	12	)	)	-RRB-
cord-310218-fky0cm5e	48	13	cells	cell	NNS
cord-310218-fky0cm5e	48	14	infected	infect	VBN
cord-310218-fky0cm5e	48	15	with	with	IN
cord-310218-fky0cm5e	48	16	the	the	DT
cord-310218-fky0cm5e	48	17	recombinant	recombinant	JJ
cord-310218-fky0cm5e	48	18	viruses	virus	NNS
cord-310218-fky0cm5e	48	19	was	be	VBD
cord-310218-fky0cm5e	48	20	examined	examine	VBN
cord-310218-fky0cm5e	48	21	at	at	IN
cord-310218-fky0cm5e	48	22	24	24	CD
cord-310218-fky0cm5e	48	23	hr	hr	NN
cord-310218-fky0cm5e	48	24	postinfection	postinfection	NN
cord-310218-fky0cm5e	48	25	.	.	.
cord-310218-fky0cm5e	49	1	Rabbit	rabbit	NN
cord-310218-fky0cm5e	49	2	antisera	antisera	NN
cord-310218-fky0cm5e	49	3	to	to	IN
cord-310218-fky0cm5e	49	4	BCV	BCV	NNP
cord-310218-fky0cm5e	49	5	precipitated	precipitate	VBD
cord-310218-fky0cm5e	49	6	a	a	DT
cord-310218-fky0cm5e	49	7	57	57	CD
cord-310218-fky0cm5e	49	8	K	K	NNP
cord-310218-fky0cm5e	49	9	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	49	10	when	when	WRB
cord-310218-fky0cm5e	49	11	analyzed	analyze	VBN
cord-310218-fky0cm5e	49	12	under	under	IN
cord-310218-fky0cm5e	49	13	reducing	reduce	VBG
cord-310218-fky0cm5e	49	14	conditions	condition	NNS
cord-310218-fky0cm5e	49	15	in	in	IN
cord-310218-fky0cm5e	49	16	the	the	DT
cord-310218-fky0cm5e	49	17	cells	cell	NNS
cord-310218-fky0cm5e	49	18	infected	infect	VBN
cord-310218-fky0cm5e	49	19	with	with	IN
cord-310218-fky0cm5e	49	20	BVLHE	BVLHE	NNP
cord-310218-fky0cm5e	50	1	(	(	-LRB-
cord-310218-fky0cm5e	50	2	Fig	Fig	NNP
cord-310218-fky0cm5e	50	3	.	.	NNP
cord-310218-fky0cm5e	50	4	2	2	CD
cord-310218-fky0cm5e	50	5	,	,	,
cord-310218-fky0cm5e	50	6	lane	lane	NN
cord-310218-fky0cm5e	50	7	2	2	CD
cord-310218-fky0cm5e	50	8	)	)	-RRB-
cord-310218-fky0cm5e	50	9	.	.	.
cord-310218-fky0cm5e	51	1	The	the	DT
cord-310218-fky0cm5e	51	2	57	57	CD
cord-310218-fky0cm5e	51	3	K	K	NNP
cord-310218-fky0cm5e	51	4	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	51	5	represents	represent	VBZ
cord-310218-fky0cm5e	51	6	the	the	DT
cord-310218-fky0cm5e	51	7	monomer	monomer	NN
cord-310218-fky0cm5e	51	8	of	of	IN
cord-310218-fky0cm5e	51	9	the	the	DT
cord-310218-fky0cm5e	51	10	HE	HE	NNP
cord-310218-fky0cm5e	51	11	glycoprotein	glycoprotein	NN
cord-310218-fky0cm5e	51	12	.	.	.
cord-310218-fky0cm5e	52	1	Cells	cell	NNS
cord-310218-fky0cm5e	52	2	infected	infect	VBN
cord-310218-fky0cm5e	52	3	with	with	IN
cord-310218-fky0cm5e	52	4	VACS	VACS	NNP
cord-310218-fky0cm5e	52	5	produced	produce	VBD
cord-310218-fky0cm5e	52	6	a	a	DT
cord-310218-fky0cm5e	52	7	170	170	CD
cord-310218-fky0cm5e	52	8	K	K	NNP
cord-310218-fky0cm5e	52	9	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	52	10	.	.	.
cord-310218-fky0cm5e	53	1	This	this	DT
cord-310218-fky0cm5e	53	2	indicates	indicate	VBZ
cord-310218-fky0cm5e	53	3	that	that	IN
cord-310218-fky0cm5e	53	4	the	the	DT
cord-310218-fky0cm5e	53	5	S	S	NNP
cord-310218-fky0cm5e	53	6	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	53	7	was	be	VBD
cord-310218-fky0cm5e	53	8	produced	produce	VBN
cord-310218-fky0cm5e	53	9	but	but	CC
cord-310218-fky0cm5e	53	10	proteolytic	proteolytic	JJ
cord-310218-fky0cm5e	53	11	cleavage	cleavage	NN
cord-310218-fky0cm5e	53	12	was	be	VBD
cord-310218-fky0cm5e	53	13	not	not	RB
cord-310218-fky0cm5e	53	14	occurring	occur	VBG
cord-310218-fky0cm5e	53	15	to	to	IN
cord-310218-fky0cm5e	53	16	a	a	DT
cord-310218-fky0cm5e	53	17	significant	significant	JJ
cord-310218-fky0cm5e	53	18	extent	extent	NN
cord-310218-fky0cm5e	53	19	in	in	IN
cord-310218-fky0cm5e	53	20	Sf9	sf9	NN
cord-310218-fky0cm5e	53	21	cells	cell	NNS
cord-310218-fky0cm5e	53	22	(	(	-LRB-
cord-310218-fky0cm5e	53	23	Fig	Fig	NNP
cord-310218-fky0cm5e	53	24	.	.	NNP
cord-310218-fky0cm5e	53	25	2	2	CD
cord-310218-fky0cm5e	53	26	,	,	,
cord-310218-fky0cm5e	53	27	lane	lane	NN
cord-310218-fky0cm5e	53	28	3	3	CD
cord-310218-fky0cm5e	53	29	)	)	-RRB-
cord-310218-fky0cm5e	53	30	.	.	.
cord-310218-fky0cm5e	54	1	A	a	DT
cord-310218-fky0cm5e	54	2	95	95	CD
cord-310218-fky0cm5e	54	3	K	k	NN
cord-310218-fky0cm5e	54	4	and	and	CC
cord-310218-fky0cm5e	54	5	an	an	DT
cord-310218-fky0cm5e	54	6	80	80	CD
cord-310218-fky0cm5e	54	7	K	K	NNP
cord-310218-fky0cm5e	54	8	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	54	9	of	of	IN
cord-310218-fky0cm5e	54	10	the	the	DT
cord-310218-fky0cm5e	54	11	Sl	Sl	NNP
cord-310218-fky0cm5e	54	12	and	and	CC
cord-310218-fky0cm5e	54	13	S2	s2	NN
cord-310218-fky0cm5e	54	14	subunits	subunit	NNS
cord-310218-fky0cm5e	54	15	were	be	VBD
cord-310218-fky0cm5e	54	16	immunoprecipitated	immunoprecipitate	VBN
cord-310218-fky0cm5e	54	17	from	from	IN
cord-310218-fky0cm5e	54	18	cells	cell	NNS
cord-310218-fky0cm5e	54	19	infected	infect	VBN
cord-310218-fky0cm5e	54	20	with	with	IN
cord-310218-fky0cm5e	54	21	vAcS1	vAcS1	NNS
cord-310218-fky0cm5e	54	22	and	and	CC
cord-310218-fky0cm5e	54	23	vAcS2	vacs2	NN
cord-310218-fky0cm5e	54	24	,	,	,
cord-310218-fky0cm5e	54	25	respectively	respectively	RB
cord-310218-fky0cm5e	54	26	(	(	-LRB-
cord-310218-fky0cm5e	54	27	Fig	Fig	NNP
cord-310218-fky0cm5e	54	28	.	.	NNP
cord-310218-fky0cm5e	54	29	2	2	CD
cord-310218-fky0cm5e	54	30	,	,	,
cord-310218-fky0cm5e	54	31	lanes	lane	NNS
cord-310218-fky0cm5e	54	32	4	4	CD
cord-310218-fky0cm5e	54	33	,	,	,
cord-310218-fky0cm5e	54	34	5	5	CD
cord-310218-fky0cm5e	54	35	)	)	-RRB-
cord-310218-fky0cm5e	54	36	.	.	.
cord-310218-fky0cm5e	55	1	In	in	IN
cord-310218-fky0cm5e	55	2	order	order	NN
cord-310218-fky0cm5e	55	3	to	to	TO
cord-310218-fky0cm5e	55	4	determine	determine	VB
cord-310218-fky0cm5e	55	5	if	if	IN
cord-310218-fky0cm5e	55	6	any	any	DT
cord-310218-fky0cm5e	55	7	of	of	IN
cord-310218-fky0cm5e	55	8	the	the	DT
cord-310218-fky0cm5e	55	9	recombinant	recombinant	JJ
cord-310218-fky0cm5e	55	10	polypeptides	polypeptide	NNS
cord-310218-fky0cm5e	55	11	were	be	VBD
cord-310218-fky0cm5e	55	12	capable	capable	JJ
cord-310218-fky0cm5e	55	13	of	of	IN
cord-310218-fky0cm5e	55	14	inducing	induce	VBG
cord-310218-fky0cm5e	55	15	cell	cell	NN
cord-310218-fky0cm5e	55	16	fusion	fusion	NN
cord-310218-fky0cm5e	55	17	,	,	,
cord-310218-fky0cm5e	55	18	Sf9	sf9	NN
cord-310218-fky0cm5e	55	19	cells	cell	NNS
cord-310218-fky0cm5e	55	20	were	be	VBD
cord-310218-fky0cm5e	55	21	infected	infect	VBN
cord-310218-fky0cm5e	55	22	with	with	IN
cord-310218-fky0cm5e	55	23	the	the	DT
cord-310218-fky0cm5e	55	24	recombinant	recombinant	JJ
cord-310218-fky0cm5e	55	25	baculoviruses	baculoviruse	NNS
cord-310218-fky0cm5e	55	26	at	at	IN
cord-310218-fky0cm5e	55	27	an	an	DT
cord-310218-fky0cm5e	55	28	m.o.i	m.o.i	NN
cord-310218-fky0cm5e	55	29	.	.	NN
cord-310218-fky0cm5e	55	30	of	of	IN
cord-310218-fky0cm5e	55	31	5-l	5-l	CD
cord-310218-fky0cm5e	55	32	0	0	NFP
cord-310218-fky0cm5e	55	33	PFU	pfu	NN
cord-310218-fky0cm5e	55	34	per	per	IN
cord-310218-fky0cm5e	55	35	cell	cell	NN
cord-310218-fky0cm5e	55	36	and	and	CC
cord-310218-fky0cm5e	55	37	incubated	incubate	VBN
cord-310218-fky0cm5e	55	38	at	at	IN
cord-310218-fky0cm5e	55	39	28	28	CD
cord-310218-fky0cm5e	55	40	"	"	''
cord-310218-fky0cm5e	55	41	in	in	IN
cord-310218-fky0cm5e	55	42	TNM	TNM	NNP
cord-310218-fky0cm5e	55	43	-	-	HYPH
cord-310218-fky0cm5e	55	44	FH	FH	NNP
cord-310218-fky0cm5e	55	45	media	medium	NNS
cord-310218-fky0cm5e	55	46	containing	contain	VBG
cord-310218-fky0cm5e	55	47	10	10	CD
cord-310218-fky0cm5e	55	48	%	%	NN
cord-310218-fky0cm5e	55	49	fetal	fetal	JJ
cord-310218-fky0cm5e	55	50	bovine	bovine	JJ
cord-310218-fky0cm5e	55	51	serum	serum	NN
cord-310218-fky0cm5e	55	52	(	(	-LRB-
cord-310218-fky0cm5e	55	53	22	22	CD
cord-310218-fky0cm5e	55	54	)	)	-RRB-
cord-310218-fky0cm5e	55	55	.	.	.
cord-310218-fky0cm5e	56	1	At	at	IN
cord-310218-fky0cm5e	56	2	36	36	CD
cord-310218-fky0cm5e	56	3	hr	hr	NN
cord-310218-fky0cm5e	56	4	postinfection	postinfection	NN
cord-310218-fky0cm5e	56	5	,	,	,
cord-310218-fky0cm5e	56	6	the	the	DT
cord-310218-fky0cm5e	56	7	medium	medium	NN
cord-310218-fky0cm5e	56	8	was	be	VBD
cord-310218-fky0cm5e	56	9	replaced	replace	VBN
cord-310218-fky0cm5e	56	10	with	with	IN
cord-310218-fky0cm5e	56	11	TNM	TNM	NNP
cord-310218-fky0cm5e	56	12	-	-	HYPH
cord-310218-fky0cm5e	56	13	FH	FH	NNP
cord-310218-fky0cm5e	56	14	in	in	IN
cord-310218-fky0cm5e	56	15	which	which	WDT
cord-310218-fky0cm5e	56	16	the	the	DT
cord-310218-fky0cm5e	56	17	pH	pH	NNP
cord-310218-fky0cm5e	56	18	varied	vary	VBN
cord-310218-fky0cm5e	56	19	between	between	IN
cord-310218-fky0cm5e	56	20	5.0	5.0	CD
cord-310218-fky0cm5e	56	21	-	-	SYM
cord-310218-fky0cm5e	56	22	6.5	6.5	CD
cord-310218-fky0cm5e	56	23	.	.	.
cord-310218-fky0cm5e	57	1	In	in	IN
cord-310218-fky0cm5e	57	2	order	order	NN
cord-310218-fky0cm5e	57	3	to	to	TO
cord-310218-fky0cm5e	57	4	examine	examine	VB
cord-310218-fky0cm5e	57	5	syncytia	syncytia	NN
cord-310218-fky0cm5e	57	6	formation	formation	NN
cord-310218-fky0cm5e	57	7	at	at	IN
cord-310218-fky0cm5e	57	8	alkaline	alkaline	JJ
cord-310218-fky0cm5e	57	9	pH	pH	NNP
cord-310218-fky0cm5e	57	10	and	and	CC
cord-310218-fky0cm5e	57	11	because	because	IN
cord-310218-fky0cm5e	57	12	TNM	TNM	NNP
cord-310218-fky0cm5e	57	13	-	-	HYPH
cord-310218-fky0cm5e	57	14	FH	FH	NNP
cord-310218-fky0cm5e	57	15	becomes	become	VBZ
cord-310218-fky0cm5e	57	16	turbid	turbid	JJ
cord-310218-fky0cm5e	57	17	at	at	IN
cord-310218-fky0cm5e	57	18	alkaline	alkaline	JJ
cord-310218-fky0cm5e	57	19	pH	ph	NN
cord-310218-fky0cm5e	57	20	,	,	,
cord-310218-fky0cm5e	57	21	replicates	replicate	NNS
cord-310218-fky0cm5e	57	22	of	of	IN
cord-310218-fky0cm5e	57	23	the	the	DT
cord-310218-fky0cm5e	57	24	infected	infected	JJ
cord-310218-fky0cm5e	57	25	cells	cell	NNS
cord-310218-fky0cm5e	57	26	were	be	VBD
cord-310218-fky0cm5e	57	27	overlayed	overlay	VBN
cord-310218-fky0cm5e	57	28	with	with	IN
cord-310218-fky0cm5e	57	29	1.5	1.5	CD
cord-310218-fky0cm5e	57	30	%	%	NN
cord-310218-fky0cm5e	57	31	agarose	agarose	VBN
cord-310218-fky0cm5e	57	32	in	in	IN
cord-310218-fky0cm5e	57	33	PBS	PBS	NNP
cord-310218-fky0cm5e	57	34	which	which	WDT
cord-310218-fky0cm5e	57	35	had	have	VBD
cord-310218-fky0cm5e	57	36	been	be	VBN
cord-310218-fky0cm5e	57	37	adjusted	adjust	VBN
cord-310218-fky0cm5e	57	38	to	to	IN
cord-310218-fky0cm5e	57	39	a	a	DT
cord-310218-fky0cm5e	57	40	pH	pH	NNP
cord-310218-fky0cm5e	57	41	range	range	NN
cord-310218-fky0cm5e	57	42	of	of	IN
cord-310218-fky0cm5e	57	43	5.0	5.0	CD
cord-310218-fky0cm5e	57	44	-	-	SYM
cord-310218-fky0cm5e	57	45	8.0	8.0	CD
cord-310218-fky0cm5e	57	46	.	.	.
cord-310218-fky0cm5e	58	1	Syncytia	syncytia	NN
cord-310218-fky0cm5e	58	2	formation	formation	NN
cord-310218-fky0cm5e	58	3	was	be	VBD
cord-310218-fky0cm5e	58	4	monitored	monitor	VBN
cord-310218-fky0cm5e	58	5	by	by	IN
cord-310218-fky0cm5e	58	6	phase	phase	NN
cord-310218-fky0cm5e	58	7	-	-	HYPH
cord-310218-fky0cm5e	58	8	contrast	contrast	NN
cord-310218-fky0cm5e	58	9	microscopy	microscopy	NNS
cord-310218-fky0cm5e	58	10	.	.	.
cord-310218-fky0cm5e	59	1	Fusion	fusion	NN
cord-310218-fky0cm5e	59	2	was	be	VBD
cord-310218-fky0cm5e	59	3	not	not	RB
cord-310218-fky0cm5e	59	4	detected	detect	VBN
cord-310218-fky0cm5e	59	5	in	in	IN
cord-310218-fky0cm5e	59	6	cultures	culture	NNS
cord-310218-fky0cm5e	59	7	infected	infect	VBN
cord-310218-fky0cm5e	59	8	with	with	IN
cord-310218-fky0cm5e	59	9	wild	wild	JJ
cord-310218-fky0cm5e	59	10	-	-	HYPH
cord-310218-fky0cm5e	59	11	type	type	NN
cord-310218-fky0cm5e	59	12	AcMNPV	acmnpv	NN
cord-310218-fky0cm5e	59	13	,	,	,
cord-310218-fky0cm5e	59	14	BVLHE	BVLHE	NNP
cord-310218-fky0cm5e	59	15	,	,	,
cord-310218-fky0cm5e	59	16	or	or	CC
cord-310218-fky0cm5e	59	17	vAcS1	vacs1	NN
cord-310218-fky0cm5e	59	18	recombinant	recombinant	JJ
cord-310218-fky0cm5e	59	19	baculoviruses	baculoviruse	NNS
cord-310218-fky0cm5e	59	20	over	over	IN
cord-310218-fky0cm5e	59	21	the	the	DT
cord-310218-fky0cm5e	59	22	pH	pH	NNP
cord-310218-fky0cm5e	59	23	range	range	NN
cord-310218-fky0cm5e	59	24	examined	examine	VBD
cord-310218-fky0cm5e	59	25	(	(	-LRB-
cord-310218-fky0cm5e	59	26	Figs	fig	NNS
cord-310218-fky0cm5e	59	27	.	.	.
cord-310218-fky0cm5e	60	1	3A	3A	NNP
cord-310218-fky0cm5e	60	2	,	,	,
cord-310218-fky0cm5e	60	3	3B	3B	NNP
cord-310218-fky0cm5e	60	4	,	,	,
cord-310218-fky0cm5e	60	5	3D	3D	NNP
cord-310218-fky0cm5e	60	6	)	)	-RRB-
cord-310218-fky0cm5e	60	7	.	.	.
cord-310218-fky0cm5e	61	1	In	in	IN
cord-310218-fky0cm5e	61	2	contrast	contrast	NN
cord-310218-fky0cm5e	61	3	,	,	,
cord-310218-fky0cm5e	61	4	fusion	fusion	NN
cord-310218-fky0cm5e	61	5	of	of	IN
cord-310218-fky0cm5e	61	6	vAcS	vacs	NN
cord-310218-fky0cm5e	61	7	-	-	HYPH
cord-310218-fky0cm5e	61	8	infected	infect	VBN
cord-310218-fky0cm5e	61	9	cells	cell	NNS
cord-310218-fky0cm5e	61	10	was	be	VBD
cord-310218-fky0cm5e	61	11	apparent	apparent	JJ
cord-310218-fky0cm5e	61	12	within	within	IN
cord-310218-fky0cm5e	61	13	2	2	CD
cord-310218-fky0cm5e	61	14	hr	hr	NN
cord-310218-fky0cm5e	61	15	after	after	IN
cord-310218-fky0cm5e	61	16	a	a	DT
cord-310218-fky0cm5e	61	17	pH	ph	NN
cord-310218-fky0cm5e	61	18	shift	shift	NN
cord-310218-fky0cm5e	61	19	to	to	IN
cord-310218-fky0cm5e	61	20	5.3	5.3	CD
cord-310218-fky0cm5e	61	21	(	(	-LRB-
cord-310218-fky0cm5e	61	22	Fig	Fig	NNP
cord-310218-fky0cm5e	61	23	.	.	.
cord-310218-fky0cm5e	61	24	3C	3C	NNP
cord-310218-fky0cm5e	61	25	)	)	-RRB-
cord-310218-fky0cm5e	61	26	.	.	.
cord-310218-fky0cm5e	62	1	Extensive	extensive	JJ
cord-310218-fky0cm5e	62	2	syncytia	syncytia	NN
cord-310218-fky0cm5e	62	3	formation	formation	NN
cord-310218-fky0cm5e	62	4	was	be	VBD
cord-310218-fky0cm5e	62	5	observed	observe	VBN
cord-310218-fky0cm5e	62	6	in	in	IN
cord-310218-fky0cm5e	62	7	vAcS2-infected	vAcS2-infected	NNP
cord-310218-fky0cm5e	62	8	cells	cell	NNS
cord-310218-fky0cm5e	62	9	(	(	-LRB-
cord-310218-fky0cm5e	62	10	Fig	Fig	NNP
cord-310218-fky0cm5e	62	11	.	.	.
cord-310218-fky0cm5e	62	12	3E	3E	NNP
cord-310218-fky0cm5e	62	13	)	)	-RRB-
cord-310218-fky0cm5e	62	14	and	and	CC
cord-310218-fky0cm5e	62	15	continued	continue	VBD
cord-310218-fky0cm5e	62	16	to	to	TO
cord-310218-fky0cm5e	62	17	increase	increase	VB
cord-310218-fky0cm5e	62	18	over	over	IN
cord-310218-fky0cm5e	62	19	8	8	CD
cord-310218-fky0cm5e	62	20	hr	hr	NN
cord-310218-fky0cm5e	62	21	of	of	IN
cord-310218-fky0cm5e	62	22	observation	observation	NN
cord-310218-fky0cm5e	62	23	until	until	IN
cord-310218-fky0cm5e	62	24	giant	giant	JJ
cord-310218-fky0cm5e	62	25	syncytia	syncytia	NN
cord-310218-fky0cm5e	62	26	composed	compose	VBN
cord-310218-fky0cm5e	62	27	of	of	IN
cord-310218-fky0cm5e	62	28	approximately	approximately	RB
cord-310218-fky0cm5e	62	29	100	100	CD
cord-310218-fky0cm5e	62	30	-	-	HYPH
cord-310218-fky0cm5e	62	31	200	200	CD
cord-310218-fky0cm5e	62	32	cells	cell	NNS
cord-310218-fky0cm5e	62	33	were	be	VBD
cord-310218-fky0cm5e	62	34	observed	observe	VBN
cord-310218-fky0cm5e	62	35	(	(	-LRB-
cord-310218-fky0cm5e	62	36	Fig	Fig	NNP
cord-310218-fky0cm5e	62	37	.	.	.
cord-310218-fky0cm5e	62	38	3F	3F	NNP
cord-310218-fky0cm5e	62	39	)	)	-RRB-
cord-310218-fky0cm5e	62	40	.	.	.
cord-310218-fky0cm5e	63	1	When	when	WRB
cord-310218-fky0cm5e	63	2	polyclonal	polyclonal	JJ
cord-310218-fky0cm5e	63	3	BCV	BCV	NNP
cord-310218-fky0cm5e	63	4	antibodies	antibody	NNS
cord-310218-fky0cm5e	63	5	were	be	VBD
cord-310218-fky0cm5e	63	6	included	include	VBN
cord-310218-fky0cm5e	63	7	in	in	IN
cord-310218-fky0cm5e	63	8	the	the	DT
cord-310218-fky0cm5e	63	9	media	medium	NNS
cord-310218-fky0cm5e	63	10	,	,	,
cord-310218-fky0cm5e	63	11	the	the	DT
cord-310218-fky0cm5e	63	12	fusion	fusion	NN
cord-310218-fky0cm5e	63	13	by	by	IN
cord-310218-fky0cm5e	63	14	the	the	DT
cord-310218-fky0cm5e	63	15	S	S	NNP
cord-310218-fky0cm5e	63	16	and	and	CC
cord-310218-fky0cm5e	63	17	S2	s2	NN
cord-310218-fky0cm5e	63	18	polypeptides	polypeptide	NNS
cord-310218-fky0cm5e	63	19	was	be	VBD
cord-310218-fky0cm5e	63	20	partially	partially	RB
cord-310218-fky0cm5e	63	21	inhibited	inhibit	VBN
cord-310218-fky0cm5e	63	22	(	(	-LRB-
cord-310218-fky0cm5e	63	23	Table	table	NN
cord-310218-fky0cm5e	63	24	1	1	CD
cord-310218-fky0cm5e	63	25	)	)	-RRB-
cord-310218-fky0cm5e	63	26	.	.	.
cord-310218-fky0cm5e	64	1	These	these	DT
cord-310218-fky0cm5e	64	2	observations	observation	NNS
cord-310218-fky0cm5e	64	3	demonstrate	demonstrate	VBP
cord-310218-fky0cm5e	64	4	that	that	IN
cord-310218-fky0cm5e	64	5	the	the	DT
cord-310218-fky0cm5e	64	6	S2	S2	NNP
cord-310218-fky0cm5e	64	7	subunit	subunit	NN
cord-310218-fky0cm5e	64	8	of	of	IN
cord-310218-fky0cm5e	64	9	the	the	DT
cord-310218-fky0cm5e	64	10	spike	spike	NN
cord-310218-fky0cm5e	64	11	glycoprotein	glycoprotein	NN
cord-310218-fky0cm5e	64	12	of	of	IN
cord-310218-fky0cm5e	64	13	BCV	BCV	NNP
cord-310218-fky0cm5e	64	14	can	can	MD
cord-310218-fky0cm5e	64	15	induce	induce	VB
cord-310218-fky0cm5e	64	16	cell	cell	NN
cord-310218-fky0cm5e	64	17	fusion	fusion	NN
cord-310218-fky0cm5e	64	18	in	in	IN
cord-310218-fky0cm5e	64	19	the	the	DT
cord-310218-fky0cm5e	64	20	absence	absence	NN
cord-310218-fky0cm5e	64	21	of	of	IN
cord-310218-fky0cm5e	64	22	other	other	JJ
cord-310218-fky0cm5e	64	23	viral	viral	JJ
cord-310218-fky0cm5e	64	24	components	component	NNS
cord-310218-fky0cm5e	64	25	.	.	.
cord-310218-fky0cm5e	65	1	150	150	CD
cord-310218-fky0cm5e	65	2	mM	mm	CD
cord-310218-fky0cm5e	65	3	NaCI	naci	NN
cord-310218-fky0cm5e	65	4	.	.	.
cord-310218-fky0cm5e	66	1	50	50	CD
cord-310218-fky0cm5e	67	1	mM	mM	NNP
cord-310218-fky0cm5e	67	2	Tris	Tris	NNP
cord-310218-fky0cm5e	67	3	-	-	HYPH
cord-310218-fky0cm5e	67	4	HCI	HCI	NNP
cord-310218-fky0cm5e	67	5	,	,	,
cord-310218-fky0cm5e	67	6	pH	pH	NNP
cord-310218-fky0cm5e	67	7	7.4	7.4	CD
cord-310218-fky0cm5e	67	8	,	,	,
cord-310218-fky0cm5e	67	9	10	10	CD
cord-310218-fky0cm5e	67	10	mM	mm	CD
cord-310218-fky0cm5e	67	11	EDTA	EDTA	NNP
cord-310218-fky0cm5e	67	12	,	,	,
cord-310218-fky0cm5e	67	13	0.1	0.1	CD
cord-310218-fky0cm5e	67	14	%	%	NN
cord-310218-fky0cm5e	67	15	SDS	SDS	NNP
cord-310218-fky0cm5e	67	16	)	)	-RRB-
cord-310218-fky0cm5e	67	17	and	and	CC
cord-310218-fky0cm5e	67	18	immunoprecipitated	immunoprecipitate	VBD
cord-310218-fky0cm5e	67	19	with	with	IN
cord-310218-fky0cm5e	67	20	BCV	BCV	NNP
cord-310218-fky0cm5e	67	21	-	-	HYPH
cord-310218-fky0cm5e	67	22	specific	specific	JJ
cord-310218-fky0cm5e	67	23	rabbit	rabbit	NN
cord-310218-fky0cm5e	67	24	antisera	antisera	NN
cord-310218-fky0cm5e	67	25	using	use	VBG
cord-310218-fky0cm5e	67	26	a	a	DT
cord-310218-fky0cm5e	67	27	suspension	suspension	NN
cord-310218-fky0cm5e	67	28	of	of	IN
cord-310218-fky0cm5e	67	29	10	10	CD
cord-310218-fky0cm5e	67	30	mg	mg	NN
cord-310218-fky0cm5e	67	31	protein	protein	NN
cord-310218-fky0cm5e	67	32	A	A	NNP
cord-310218-fky0cm5e	67	33	-	-	:
cord-310218-fky0cm5e	67	34	Sepharose	Sepharose	NNP
cord-310218-fky0cm5e	67	35	(	(	-LRB-
cord-310218-fky0cm5e	67	36	Pharmacia	Pharmacia	NNP
cord-310218-fky0cm5e	67	37	)	)	-RRB-
cord-310218-fky0cm5e	67	38	.	.	.
cord-310218-fky0cm5e	68	1	The	the	DT
cord-310218-fky0cm5e	68	2	immune	immune	JJ
cord-310218-fky0cm5e	68	3	complexes	complex	NNS
cord-310218-fky0cm5e	68	4	were	be	VBD
cord-310218-fky0cm5e	68	5	dissociated	dissociate	VBN
cord-310218-fky0cm5e	68	6	with	with	IN
cord-310218-fky0cm5e	68	7	10	10	CD
cord-310218-fky0cm5e	68	8	%	%	NN
cord-310218-fky0cm5e	68	9	SDS	SDS	NNP
cord-310218-fky0cm5e	68	10	,	,	,
cord-310218-fky0cm5e	68	11	25	25	CD
cord-310218-fky0cm5e	68	12	%	%	NN
cord-310218-fky0cm5e	68	13	glycerol	glycerol	NN
cord-310218-fky0cm5e	68	14	,	,	,
cord-310218-fky0cm5e	68	15	10	10	CD
cord-310218-fky0cm5e	68	16	mMp	mMp	NNS
cord-310218-fky0cm5e	68	17	-	-	HYPH
cord-310218-fky0cm5e	68	18	mercaptoethanol	mercaptoethanol	JJ
cord-310218-fky0cm5e	68	19	,	,	,
cord-310218-fky0cm5e	68	20	10	10	CD
cord-310218-fky0cm5e	68	21	mMTris	mmtris	CD
cord-310218-fky0cm5e	68	22	-	-	HYPH
cord-310218-fky0cm5e	68	23	HCI	HCI	NNP
cord-310218-fky0cm5e	68	24	,	,	,
cord-310218-fky0cm5e	68	25	pH	pH	NNP
cord-310218-fky0cm5e	68	26	6.8	6.8	CD
cord-310218-fky0cm5e	68	27	,	,	,
cord-310218-fky0cm5e	68	28	0.02	0.02	CD
cord-310218-fky0cm5e	68	29	%	%	NN
cord-310218-fky0cm5e	68	30	bromphenol	bromphenol	NN
cord-310218-fky0cm5e	68	31	blue	blue	NNP
cord-310218-fky0cm5e	68	32	)	)	-RRB-
cord-310218-fky0cm5e	68	33	and	and	CC
cord-310218-fky0cm5e	68	34	electrophoresed	electrophorese	VBD
cord-310218-fky0cm5e	68	35	on	on	IN
cord-310218-fky0cm5e	68	36	a	a	DT
cord-310218-fky0cm5e	68	37	7.5	7.5	CD
cord-310218-fky0cm5e	68	38	%	%	NN
cord-310218-fky0cm5e	68	39	discontinuous	discontinuous	JJ
cord-310218-fky0cm5e	68	40	SDS	sds	NN
cord-310218-fky0cm5e	68	41	-	-	HYPH
cord-310218-fky0cm5e	68	42	polyacrylamide	polyacrylamide	NN
cord-310218-fky0cm5e	68	43	gel	gel	NN
cord-310218-fky0cm5e	68	44	followed	follow	VBN
cord-310218-fky0cm5e	68	45	by	by	IN
cord-310218-fky0cm5e	68	46	autoradiography	autoradiography	NNP
cord-310218-fky0cm5e	68	47	.	.	.
cord-310218-fky0cm5e	69	1	The	the	DT
cord-310218-fky0cm5e	69	2	low	low	JJ
cord-310218-fky0cm5e	69	3	level	level	NN
cord-310218-fky0cm5e	69	4	of	of	IN
cord-310218-fky0cm5e	69	5	fusion	fusion	NN
cord-310218-fky0cm5e	69	6	observed	observe	VBN
cord-310218-fky0cm5e	69	7	in	in	IN
cord-310218-fky0cm5e	69	8	vAcS	vacs	NN
cord-310218-fky0cm5e	69	9	-	-	HYPH
cord-310218-fky0cm5e	69	10	infected	infect	VBN
cord-310218-fky0cm5e	69	11	vAcS	vacs	NN
cord-310218-fky0cm5e	69	12	-	-	HYPH
cord-310218-fky0cm5e	69	13	infected	infect	VBN
cord-310218-fky0cm5e	69	14	cells	cell	NNS
cord-310218-fky0cm5e	69	15	to	to	IN
cord-310218-fky0cm5e	69	16	a	a	DT
cord-310218-fky0cm5e	69	17	level	level	NN
cord-310218-fky0cm5e	69	18	similar	similar	JJ
cord-310218-fky0cm5e	69	19	to	to	IN
cord-310218-fky0cm5e	69	20	that	that	DT
cord-310218-fky0cm5e	69	21	seen	see	VBN
cord-310218-fky0cm5e	69	22	in	in	IN
cord-310218-fky0cm5e	69	23	cells	cell	NNS
cord-310218-fky0cm5e	69	24	(	(	-LRB-
cord-310218-fky0cm5e	69	25	Fig	Fig	NNP
cord-310218-fky0cm5e	69	26	.	.	.
cord-310218-fky0cm5e	69	27	3C	3C	NNP
cord-310218-fky0cm5e	69	28	)	)	-RRB-
cord-310218-fky0cm5e	69	29	was	be	VBD
cord-310218-fky0cm5e	69	30	thought	think	VBN
cord-310218-fky0cm5e	69	31	to	to	TO
cord-310218-fky0cm5e	69	32	be	be	VB
cord-310218-fky0cm5e	69	33	due	due	JJ
cord-310218-fky0cm5e	69	34	to	to	IN
cord-310218-fky0cm5e	69	35	a	a	DT
cord-310218-fky0cm5e	69	36	low	low	JJ
cord-310218-fky0cm5e	69	37	level	level	NN
cord-310218-fky0cm5e	69	38	of	of	IN
cord-310218-fky0cm5e	69	39	vAcS24nfected	vacs24nfecte	VBN
cord-310218-fky0cm5e	69	40	cells	cell	NNS
cord-310218-fky0cm5e	69	41	.	.	.
cord-310218-fky0cm5e	70	1	This	this	DT
cord-310218-fky0cm5e	70	2	result	result	NN
cord-310218-fky0cm5e	70	3	demonstrates	demonstrate	VBZ
cord-310218-fky0cm5e	70	4	that	that	IN
cord-310218-fky0cm5e	70	5	cleavage	cleavage	NN
cord-310218-fky0cm5e	70	6	of	of	IN
cord-310218-fky0cm5e	70	7	the	the	DT
cord-310218-fky0cm5e	70	8	S	S	NNP
cord-310218-fky0cm5e	70	9	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	70	10	.	.	.
cord-310218-fky0cm5e	71	1	Partial	partial	JJ
cord-310218-fky0cm5e	71	2	cleavage	cleavage	NN
cord-310218-fky0cm5e	71	3	of	of	IN
cord-310218-fky0cm5e	71	4	the	the	DT
cord-310218-fky0cm5e	71	5	cleavage	cleavage	NN
cord-310218-fky0cm5e	71	6	of	of	IN
cord-310218-fky0cm5e	71	7	the	the	DT
cord-310218-fky0cm5e	71	8	S	S	NNP
cord-310218-fky0cm5e	71	9	precursor	precursor	NN
cord-310218-fky0cm5e	71	10	is	be	VBZ
cord-310218-fky0cm5e	71	11	required	require	VBN
cord-310218-fky0cm5e	71	12	for	for	IN
cord-310218-fky0cm5e	71	13	induction	induction	NN
cord-310218-fky0cm5e	71	14	of	of	IN
cord-310218-fky0cm5e	71	15	recombinant	recombinant	JJ
cord-310218-fky0cm5e	71	16	S	S	NNP
cord-310218-fky0cm5e	71	17	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	71	18	of	of	IN
cord-310218-fky0cm5e	71	19	BCV	BCV	NNP
cord-310218-fky0cm5e	71	20	in	in	IN
cord-310218-fky0cm5e	71	21	Sf9	sf9	NN
cord-310218-fky0cm5e	71	22	cells	cell	NNS
cord-310218-fky0cm5e	71	23	has	have	VBZ
cord-310218-fky0cm5e	71	24	cell	cell	NN
cord-310218-fky0cm5e	71	25	fusion	fusion	NN
cord-310218-fky0cm5e	71	26	as	as	IN
cord-310218-fky0cm5e	71	27	previously	previously	RB
cord-310218-fky0cm5e	71	28	reported	report	VBN
cord-310218-fky0cm5e	71	29	in	in	IN
cord-310218-fky0cm5e	71	30	coronavirus	coronavirus	NN
cord-310218-fky0cm5e	71	31	-	-	HYPH
cord-310218-fky0cm5e	71	32	inbeen	inbeen	NN
cord-310218-fky0cm5e	71	33	demonstrated	demonstrate	VBN
cord-310218-fky0cm5e	71	34	by	by	IN
cord-310218-fky0cm5e	71	35	a	a	DT
cord-310218-fky0cm5e	71	36	pulse	pulse	NN
cord-310218-fky0cm5e	71	37	-	-	HYPH
cord-310218-fky0cm5e	71	38	chase	chase	NN
cord-310218-fky0cm5e	71	39	experiment	experiment	NN
cord-310218-fky0cm5e	71	40	(	(	-LRB-
cord-310218-fky0cm5e	71	41	72	72	CD
cord-310218-fky0cm5e	71	42	)	)	-RRB-
cord-310218-fky0cm5e	71	43	.	.	.
cord-310218-fky0cm5e	72	1	fected	fected	JJ
cord-310218-fky0cm5e	72	2	cells	cell	NNS
cord-310218-fky0cm5e	72	3	(	(	-LRB-
cord-310218-fky0cm5e	72	4	23	23	CD
cord-310218-fky0cm5e	72	5	,	,	,
cord-310218-fky0cm5e	72	6	24	24	CD
cord-310218-fky0cm5e	72	7	)	)	-RRB-
cord-310218-fky0cm5e	72	8	.	.	.
cord-310218-fky0cm5e	73	1	In	in	IN
cord-310218-fky0cm5e	73	2	order	order	NN
cord-310218-fky0cm5e	73	3	to	to	TO
cord-310218-fky0cm5e	73	4	further	further	RB
cord-310218-fky0cm5e	73	5	determine	determine	VB
cord-310218-fky0cm5e	73	6	the	the	DT
cord-310218-fky0cm5e	73	7	effect	effect	NN
cord-310218-fky0cm5e	73	8	of	of	IN
cord-310218-fky0cm5e	73	9	proteolytic	proteolytic	JJ
cord-310218-fky0cm5e	73	10	We	-PRON-	PRP
cord-310218-fky0cm5e	73	11	have	have	VBP
cord-310218-fky0cm5e	73	12	demonstrated	demonstrate	VBN
cord-310218-fky0cm5e	73	13	that	that	IN
cord-310218-fky0cm5e	73	14	a	a	DT
cord-310218-fky0cm5e	73	15	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	73	16	comcleavage	comcleavage	NN
cord-310218-fky0cm5e	73	17	on	on	IN
cord-310218-fky0cm5e	73	18	the	the	DT
cord-310218-fky0cm5e	73	19	cell	cell	NN
cord-310218-fky0cm5e	73	20	fusing	fuse	VBG
cord-310218-fky0cm5e	73	21	activity	activity	NN
cord-310218-fky0cm5e	73	22	of	of	IN
cord-310218-fky0cm5e	73	23	the	the	DT
cord-310218-fky0cm5e	73	24	recombinant	recombinant	JJ
cord-310218-fky0cm5e	73	25	posed	pose	VBN
cord-310218-fky0cm5e	73	26	of	of	IN
cord-310218-fky0cm5e	73	27	signal	signal	JJ
cord-310218-fky0cm5e	73	28	sequence	sequence	NN
cord-310218-fky0cm5e	73	29	of	of	IN
cord-310218-fky0cm5e	73	30	the	the	DT
cord-310218-fky0cm5e	73	31	..	..	.
cord-310218-fky0cm5e	73	32	BCV	BCV	NNP
cord-310218-fky0cm5e	73	33	HE	HE	NNP
cord-310218-fky0cm5e	73	34	glycoprotein	glycoprotein	NN
cord-310218-fky0cm5e	73	35	S	S	NNP
cord-310218-fky0cm5e	73	36	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	73	37	precursor	precursor	NN
cord-310218-fky0cm5e	73	38	,	,	,
cord-310218-fky0cm5e	73	39	vAcS	vacs	NN
cord-310218-fky0cm5e	73	40	-	-	HYPH
cord-310218-fky0cm5e	73	41	infected	infect	VBN
cord-310218-fky0cm5e	73	42	cells	cell	NNS
cord-310218-fky0cm5e	73	43	were	be	VBD
cord-310218-fky0cm5e	73	44	followed	follow	VBN
cord-310218-fky0cm5e	73	45	by	by	IN
cord-310218-fky0cm5e	73	46	the	the	DT
cord-310218-fky0cm5e	73	47	S2	S2	NNP
cord-310218-fky0cm5e	73	48	subunit	subunit	NN
cord-310218-fky0cm5e	73	49	of	of	IN
cord-310218-fky0cm5e	73	50	the	the	DT
cord-310218-fky0cm5e	73	51	BCV	BCV	NNP
cord-310218-fky0cm5e	73	52	S	S	NNP
cord-310218-fky0cm5e	73	53	glycoprotein	glycoprotein	NN
cord-310218-fky0cm5e	73	54	treated	treat	VBN
cord-310218-fky0cm5e	73	55	with	with	IN
cord-310218-fky0cm5e	73	56	20	20	CD
cord-310218-fky0cm5e	73	57	pg	pg	NN
cord-310218-fky0cm5e	73	58	/	/	SYM
cord-310218-fky0cm5e	73	59	ml	ml	NNS
cord-310218-fky0cm5e	73	60	of	of	IN
cord-310218-fky0cm5e	73	61	trypsin	trypsin	NN
cord-310218-fky0cm5e	73	62	for	for	IN
cord-310218-fky0cm5e	73	63	10	10	CD
cord-310218-fky0cm5e	73	64	min	min	NN
cord-310218-fky0cm5e	73	65	in	in	IN
cord-310218-fky0cm5e	73	66	PBS	PBS	NNP
cord-310218-fky0cm5e	73	67	,	,	,
cord-310218-fky0cm5e	73	68	pH	pH	NNP
cord-310218-fky0cm5e	73	69	induces	induce	VBZ
cord-310218-fky0cm5e	73	70	cell	cell	NN
cord-310218-fky0cm5e	73	71	-	-	HYPH
cord-310218-fky0cm5e	73	72	cell	cell	NN
cord-310218-fky0cm5e	73	73	fusion	fusion	NN
cord-310218-fky0cm5e	73	74	in	in	IN
cord-310218-fky0cm5e	73	75	Sf9	sf9	NN
cord-310218-fky0cm5e	73	76	cells	cell	NNS
cord-310218-fky0cm5e	73	77	.	.	.
cord-310218-fky0cm5e	74	1	Although	although	IN
cord-310218-fky0cm5e	74	2	it	-PRON-	PRP
cord-310218-fky0cm5e	74	3	is	be	VBZ
cord-310218-fky0cm5e	74	4	not	not	RB
cord-310218-fky0cm5e	74	5	8.0	8.0	CD
cord-310218-fky0cm5e	74	6	,	,	,
cord-310218-fky0cm5e	74	7	prior	prior	RB
cord-310218-fky0cm5e	74	8	to	to	IN
cord-310218-fky0cm5e	74	9	a	a	DT
cord-310218-fky0cm5e	74	10	shift	shift	NN
cord-310218-fky0cm5e	74	11	to	to	IN
cord-310218-fky0cm5e	74	12	pH	pH	NNP
cord-310218-fky0cm5e	74	13	5.3	5.3	CD
cord-310218-fky0cm5e	74	14	.	.	.
cord-310218-fky0cm5e	75	1	As	as	IN
cord-310218-fky0cm5e	75	2	shown	show	VBN
cord-310218-fky0cm5e	75	3	in	in	IN
cord-310218-fky0cm5e	75	4	Table	Table	NNP
cord-310218-fky0cm5e	75	5	1	1	CD
cord-310218-fky0cm5e	75	6	,	,	,
cord-310218-fky0cm5e	75	7	clear	clear	JJ
cord-310218-fky0cm5e	75	8	whether	whether	IN
cord-310218-fky0cm5e	75	9	the	the	DT
cord-310218-fky0cm5e	75	10	HE	HE	NNP
cord-310218-fky0cm5e	75	11	signal	signal	NN
cord-310218-fky0cm5e	75	12	sequence	sequence	NN
cord-310218-fky0cm5e	75	13	is	be	VBZ
cord-310218-fky0cm5e	75	14	cleaved	cleave	VBN
cord-310218-fky0cm5e	75	15	in	in	IN
cord-310218-fky0cm5e	75	16	trypsin	trypsin	NN
cord-310218-fky0cm5e	75	17	treatment	treatment	NN
cord-310218-fky0cm5e	75	18	increased	increase	VBD
cord-310218-fky0cm5e	75	19	the	the	DT
cord-310218-fky0cm5e	75	20	extent	extent	NN
cord-310218-fky0cm5e	75	21	of	of	IN
cord-310218-fky0cm5e	75	22	cell	cell	NN
cord-310218-fky0cm5e	75	23	fusion	fusion	NN
cord-310218-fky0cm5e	75	24	in	in	IN
cord-310218-fky0cm5e	75	25	insect	insect	NN
cord-310218-fky0cm5e	75	26	cells	cell	NNS
cord-310218-fky0cm5e	75	27	,	,	,
cord-310218-fky0cm5e	75	28	the	the	DT
cord-310218-fky0cm5e	75	29	alanine	alanine	NN
cord-310218-fky0cm5e	75	30	residue	residue	NN
cord-310218-fky0cm5e	75	31	at	at	IN
cord-310218-fky0cm5e	75	32	position	position	NN
cord-310218-fky0cm5e	75	33	19	19	CD
cord-310218-fky0cm5e	75	34	derived	derive	VBN
cord-310218-fky0cm5e	75	35	from	from	IN
cord-310218-fky0cm5e	75	36	the	the	DT
cord-310218-fky0cm5e	75	37	N	n	CD
cord-310218-fky0cm5e	75	38	-	-	HYPH
cord-310218-fky0cm5e	75	39	terminus	terminus	NN
cord-310218-fky0cm5e	75	40	of	of	IN
cord-310218-fky0cm5e	75	41	the	the	DT
cord-310218-fky0cm5e	75	42	S2	S2	NNP
cord-310218-fky0cm5e	75	43	subunit	subunit	NN
cord-310218-fky0cm5e	75	44	provides	provide	VBZ
cord-310218-fky0cm5e	75	45	a	a	DT
cord-310218-fky0cm5e	75	46	favorable	favorable	JJ
cord-310218-fky0cm5e	75	47	context	context	NN
cord-310218-fky0cm5e	75	48	for	for	IN
cord-310218-fky0cm5e	75	49	cleavage	cleavage	NN
cord-310218-fky0cm5e	75	50	of	of	IN
cord-310218-fky0cm5e	75	51	the	the	DT
cord-310218-fky0cm5e	75	52	HE	HE	NNP
cord-310218-fky0cm5e	75	53	signal	signal	NN
cord-310218-fky0cm5e	75	54	sequence	sequence	NN
cord-310218-fky0cm5e	75	55	(	(	-LRB-
cord-310218-fky0cm5e	75	56	25	25	CD
cord-310218-fky0cm5e	75	57	)	)	-RRB-
cord-310218-fky0cm5e	75	58	.	.	.
cord-310218-fky0cm5e	76	1	The	the	DT
cord-310218-fky0cm5e	76	2	HE	HE	NNP
cord-310218-fky0cm5e	76	3	signal	signal	NN
cord-310218-fky0cm5e	76	4	peptide	peptide	NN
cord-310218-fky0cm5e	76	5	of	of	IN
cord-310218-fky0cm5e	76	6	18	18	CD
cord-310218-fky0cm5e	76	7	amino	amino	NN
cord-310218-fky0cm5e	76	8	acids	acid	NNS
cord-310218-fky0cm5e	76	9	does	do	VBZ
cord-310218-fky0cm5e	76	10	not	not	RB
cord-310218-fky0cm5e	76	11	seem	seem	VB
cord-310218-fky0cm5e	76	12	to	to	TO
cord-310218-fky0cm5e	76	13	contribute	contribute	VB
cord-310218-fky0cm5e	76	14	to	to	IN
cord-310218-fky0cm5e	76	15	the	the	DT
cord-310218-fky0cm5e	76	16	fusogenicity	fusogenicity	NN
cord-310218-fky0cm5e	76	17	of	of	IN
cord-310218-fky0cm5e	76	18	the	the	DT
cord-310218-fky0cm5e	76	19	recombinant	recombinant	JJ
cord-310218-fky0cm5e	76	20	S2	S2	NNP
cord-310218-fky0cm5e	76	21	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	76	22	since	since	IN
cord-310218-fky0cm5e	76	23	the	the	DT
cord-310218-fky0cm5e	76	24	HE	HE	NNP
cord-310218-fky0cm5e	76	25	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	76	26	expressed	express	VBD
cord-310218-fky0cm5e	76	27	with	with	IN
cord-310218-fky0cm5e	76	28	BVLHE	BVLHE	NNP
cord-310218-fky0cm5e	76	29	did	do	VBD
cord-310218-fky0cm5e	76	30	not	not	RB
cord-310218-fky0cm5e	76	31	induce	induce	VB
cord-310218-fky0cm5e	76	32	fusion	fusion	NN
cord-310218-fky0cm5e	76	33	(	(	-LRB-
cord-310218-fky0cm5e	76	34	Fig.3B	Fig.3B	NNP
cord-310218-fky0cm5e	76	35	)	)	-RRB-
cord-310218-fky0cm5e	76	36	.	.	.
cord-310218-fky0cm5e	77	1	We	-PRON-	PRP
cord-310218-fky0cm5e	77	2	have	have	VBP
cord-310218-fky0cm5e	77	3	concluded	conclude	VBN
cord-310218-fky0cm5e	77	4	that	that	IN
cord-310218-fky0cm5e	77	5	the	the	DT
cord-310218-fky0cm5e	77	6	domain	domain	NN
cord-310218-fky0cm5e	77	7	responsible	responsible	JJ
cord-310218-fky0cm5e	77	8	for	for	IN
cord-310218-fky0cm5e	77	9	the	the	DT
cord-310218-fky0cm5e	77	10	cell	cell	NN
cord-310218-fky0cm5e	77	11	fusion	fusion	NN
cord-310218-fky0cm5e	77	12	is	be	VBZ
cord-310218-fky0cm5e	77	13	located	locate	VBN
cord-310218-fky0cm5e	77	14	on	on	IN
cord-310218-fky0cm5e	77	15	the	the	DT
cord-310218-fky0cm5e	77	16	S2	S2	NNP
cord-310218-fky0cm5e	77	17	subunit	subunit	NN
cord-310218-fky0cm5e	77	18	.	.	.
cord-310218-fky0cm5e	78	1	The	the	DT
cord-310218-fky0cm5e	78	2	location	location	NN
cord-310218-fky0cm5e	78	3	of	of	IN
cord-310218-fky0cm5e	78	4	fusion	fusion	NN
cord-310218-fky0cm5e	78	5	domain	domain	NN
cord-310218-fky0cm5e	78	6	on	on	IN
cord-310218-fky0cm5e	78	7	the	the	DT
cord-310218-fky0cm5e	78	8	S2	S2	NNP
cord-310218-fky0cm5e	78	9	subunit	subunit	NN
cord-310218-fky0cm5e	78	10	of	of	IN
cord-310218-fky0cm5e	78	11	BCV	BCV	NNP
cord-310218-fky0cm5e	78	12	is	be	VBZ
cord-310218-fky0cm5e	78	13	consistent	consistent	JJ
cord-310218-fky0cm5e	78	14	with	with	IN
cord-310218-fky0cm5e	78	15	previous	previous	JJ
cord-310218-fky0cm5e	78	16	suggestions	suggestion	NNS
cord-310218-fky0cm5e	78	17	that	that	IN
cord-310218-fky0cm5e	78	18	the	the	DT
cord-310218-fky0cm5e	78	19	crucial	crucial	JJ
cord-310218-fky0cm5e	78	20	fusogenic	fusogenic	JJ
cord-310218-fky0cm5e	78	21	domain	domain	NN
cord-310218-fky0cm5e	78	22	in	in	IN
cord-310218-fky0cm5e	78	23	MHV	MHV	NNP
cord-310218-fky0cm5e	78	24	resides	reside	VBZ
cord-310218-fky0cm5e	78	25	in	in	IN
cord-310218-fky0cm5e	78	26	the	the	DT
cord-310218-fky0cm5e	78	27	C	C	NNP
cord-310218-fky0cm5e	78	28	-	-	HYPH
cord-310218-fky0cm5e	78	29	terminal	terminal	NN
cord-310218-fky0cm5e	78	30	half	half	NN
cord-310218-fky0cm5e	78	31	(	(	-LRB-
cord-310218-fky0cm5e	78	32	S2	s2	NN
cord-310218-fky0cm5e	78	33	portion	portion	NN
cord-310218-fky0cm5e	78	34	)	)	-RRB-
cord-310218-fky0cm5e	78	35	of	of	IN
cord-310218-fky0cm5e	78	36	the	the	DT
cord-310218-fky0cm5e	78	37	peplomer	peplomer	NNP
cord-310218-fky0cm5e	78	38	protein	protein	NNP
cord-310218-fky0cm5e	78	39	(	(	-LRB-
cord-310218-fky0cm5e	78	40	26	26	CD
cord-310218-fky0cm5e	78	41	,	,	,
cord-310218-fky0cm5e	78	42	27	27	CD
cord-310218-fky0cm5e	78	43	)	)	-RRB-
cord-310218-fky0cm5e	78	44	.	.	.
cord-310218-fky0cm5e	79	1	Fusion	fusion	NN
cord-310218-fky0cm5e	79	2	of	of	IN
cord-310218-fky0cm5e	79	3	insect	insect	NN
cord-310218-fky0cm5e	79	4	cells	cell	NNS
cord-310218-fky0cm5e	79	5	infected	infect	VBN
cord-310218-fky0cm5e	79	6	with	with	IN
cord-310218-fky0cm5e	79	7	vAcS	vacs	NN
cord-310218-fky0cm5e	79	8	was	be	VBD
cord-310218-fky0cm5e	79	9	dramatically	dramatically	RB
cord-310218-fky0cm5e	79	10	increased	increase	VBN
cord-310218-fky0cm5e	79	11	by	by	IN
cord-310218-fky0cm5e	79	12	trypsin	trypsin	NN
cord-310218-fky0cm5e	79	13	treatment	treatment	NN
cord-310218-fky0cm5e	79	14	(	(	-LRB-
cord-310218-fky0cm5e	79	15	Table	Table	NNP
cord-310218-fky0cm5e	79	16	1	1	CD
cord-310218-fky0cm5e	79	17	)	)	-RRB-
cord-310218-fky0cm5e	79	18	.	.	.
cord-310218-fky0cm5e	80	1	Therefore	therefore	RB
cord-310218-fky0cm5e	80	2	,	,	,
cord-310218-fky0cm5e	80	3	it	-PRON-	PRP
cord-310218-fky0cm5e	80	4	is	be	VBZ
cord-310218-fky0cm5e	80	5	clear	clear	JJ
cord-310218-fky0cm5e	80	6	that	that	IN
cord-310218-fky0cm5e	80	7	proteolytic	proteolytic	JJ
cord-310218-fky0cm5e	80	8	cleavage	cleavage	NN
cord-310218-fky0cm5e	80	9	is	be	VBZ
cord-310218-fky0cm5e	80	10	required	require	VBN
cord-310218-fky0cm5e	80	11	to	to	TO
cord-310218-fky0cm5e	80	12	induce	induce	VB
cord-310218-fky0cm5e	80	13	the	the	DT
cord-310218-fky0cm5e	80	14	fusion	fusion	NN
cord-310218-fky0cm5e	80	15	activity	activity	NN
cord-310218-fky0cm5e	80	16	of	of	IN
cord-310218-fky0cm5e	80	17	both	both	CC
cord-310218-fky0cm5e	80	18	the	the	DT
cord-310218-fky0cm5e	80	19	recombinant	recombinant	JJ
cord-310218-fky0cm5e	80	20	S	S	NNP
cord-310218-fky0cm5e	80	21	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	80	22	in	in	IN
cord-310218-fky0cm5e	80	23	insect	insect	NN
cord-310218-fky0cm5e	80	24	cells	cell	NNS
cord-310218-fky0cm5e	80	25	and	and	CC
cord-310218-fky0cm5e	80	26	the	the	DT
cord-310218-fky0cm5e	80	27	authentic	authentic	JJ
cord-310218-fky0cm5e	80	28	S	S	NNP
cord-310218-fky0cm5e	80	29	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	80	30	produced	produce	VBN
cord-310218-fky0cm5e	80	31	in	in	IN
cord-310218-fky0cm5e	80	32	BCV	BCV	NNP
cord-310218-fky0cm5e	80	33	-	-	HYPH
cord-310218-fky0cm5e	80	34	infected	infect	VBN
cord-310218-fky0cm5e	80	35	cells	cell	NNS
cord-310218-fky0cm5e	80	36	(	(	-LRB-
cord-310218-fky0cm5e	80	37	14	14	CD
cord-310218-fky0cm5e	80	38	)	)	-RRB-
cord-310218-fky0cm5e	80	39	.	.	.
cord-310218-fky0cm5e	81	1	It	-PRON-	PRP
cord-310218-fky0cm5e	81	2	has	have	VBZ
cord-310218-fky0cm5e	81	3	been	be	VBN
cord-310218-fky0cm5e	81	4	observed	observe	VBN
cord-310218-fky0cm5e	81	5	that	that	IN
cord-310218-fky0cm5e	81	6	fusogenic	fusogenic	JJ
cord-310218-fky0cm5e	81	7	polypeptides	polypeptide	NNS
cord-310218-fky0cm5e	81	8	which	which	WDT
cord-310218-fky0cm5e	81	9	require	require	VBP
cord-310218-fky0cm5e	81	10	proteolytic	proteolytic	JJ
cord-310218-fky0cm5e	81	11	activation	activation	NN
cord-310218-fky0cm5e	81	12	often	often	RB
cord-310218-fky0cm5e	81	13	contain	contain	VBP
cord-310218-fky0cm5e	81	14	a	a	DT
cord-310218-fky0cm5e	81	15	hydrophobic	hydrophobic	JJ
cord-310218-fky0cm5e	81	16	domain	domain	NN
cord-310218-fky0cm5e	81	17	located	locate	VBN
cord-310218-fky0cm5e	81	18	at	at	IN
cord-310218-fky0cm5e	81	19	the	the	DT
cord-310218-fky0cm5e	81	20	N	n	CD
cord-310218-fky0cm5e	81	21	-	-	HYPH
cord-310218-fky0cm5e	81	22	terminus	terminus	NN
cord-310218-fky0cm5e	81	23	which	which	WDT
cord-310218-fky0cm5e	81	24	is	be	VBZ
cord-310218-fky0cm5e	81	25	exposed	expose	VBN
cord-310218-fky0cm5e	81	26	as	as	IN
cord-310218-fky0cm5e	81	27	a	a	DT
cord-310218-fky0cm5e	81	28	result	result	NN
cord-310218-fky0cm5e	81	29	of	of	IN
cord-310218-fky0cm5e	81	30	proteolytic	proteolytic	JJ
cord-310218-fky0cm5e	81	31	cleavage	cleavage	NN
cord-310218-fky0cm5e	81	32	of	of	IN
cord-310218-fky0cm5e	81	33	the	the	DT
cord-310218-fky0cm5e	81	34	precursor	precursor	NN
cord-310218-fky0cm5e	81	35	(	(	-LRB-
cord-310218-fky0cm5e	81	36	2	2	CD
cord-310218-fky0cm5e	81	37	)	)	-RRB-
cord-310218-fky0cm5e	81	38	.	.	.
cord-310218-fky0cm5e	82	1	In	in	IN
cord-310218-fky0cm5e	82	2	other	other	JJ
cord-310218-fky0cm5e	82	3	instances	instance	NNS
cord-310218-fky0cm5e	82	4	,	,	,
cord-310218-fky0cm5e	82	5	internal	internal	JJ
cord-310218-fky0cm5e	82	6	fusogenic	fusogenic	JJ
cord-310218-fky0cm5e	82	7	domains	domain	NNS
cord-310218-fky0cm5e	82	8	that	that	WDT
cord-310218-fky0cm5e	82	9	are	be	VBP
cord-310218-fky0cm5e	82	10	masked	mask	VBN
cord-310218-fky0cm5e	82	11	at	at	IN
cord-310218-fky0cm5e	82	12	physiological	physiological	JJ
cord-310218-fky0cm5e	82	13	pH	pH	NNP
cord-310218-fky0cm5e	82	14	are	be	VBP
cord-310218-fky0cm5e	82	15	uncovered	uncover	VBN
cord-310218-fky0cm5e	82	16	and	and	CC
cord-310218-fky0cm5e	82	17	activated	activate	VBN
cord-310218-fky0cm5e	82	18	by	by	IN
cord-310218-fky0cm5e	82	19	a	a	DT
cord-310218-fky0cm5e	82	20	conformational	conformational	JJ
cord-310218-fky0cm5e	82	21	change	change	NN
cord-310218-fky0cm5e	82	22	which	which	WDT
cord-310218-fky0cm5e	82	23	occurs	occur	VBZ
cord-310218-fky0cm5e	82	24	in	in	IN
cord-310218-fky0cm5e	82	25	acidic	acidic	JJ
cord-310218-fky0cm5e	82	26	compartments	compartment	NNS
cord-310218-fky0cm5e	82	27	within	within	IN
cord-310218-fky0cm5e	82	28	the	the	DT
cord-310218-fky0cm5e	82	29	infected	infected	JJ
cord-310218-fky0cm5e	82	30	cell	cell	NN
cord-310218-fky0cm5e	82	31	(	(	-LRB-
cord-310218-fky0cm5e	82	32	28	28	CD
cord-310218-fky0cm5e	82	33	)	)	-RRB-
cord-310218-fky0cm5e	82	34	.	.	.
cord-310218-fky0cm5e	83	1	A	a	DT
cord-310218-fky0cm5e	83	2	hydropathy	hydropathy	JJ
cord-310218-fky0cm5e	83	3	plot	plot	NN
cord-310218-fky0cm5e	83	4	of	of	IN
cord-310218-fky0cm5e	83	5	the	the	DT
cord-310218-fky0cm5e	83	6	BCV	BCV	NNP
cord-310218-fky0cm5e	83	7	S2	S2	NNP
cord-310218-fky0cm5e	83	8	subunit	subunit	NN
cord-310218-fky0cm5e	83	9	indicates	indicate	VBZ
cord-310218-fky0cm5e	83	10	that	that	IN
cord-310218-fky0cm5e	83	11	there	there	EX
cord-310218-fky0cm5e	83	12	are	be	VBP
cord-310218-fky0cm5e	83	13	seven	seven	CD
cord-310218-fky0cm5e	83	14	hydrophobic	hydrophobic	JJ
cord-310218-fky0cm5e	83	15	domains	domain	NNS
cord-310218-fky0cm5e	83	16	in	in	IN
cord-310218-fky0cm5e	83	17	addition	addition	NN
cord-310218-fky0cm5e	83	18	to	to	IN
cord-310218-fky0cm5e	83	19	the	the	DT
cord-310218-fky0cm5e	83	20	putative	putative	JJ
cord-310218-fky0cm5e	83	21	membrane	membrane	NN
cord-310218-fky0cm5e	83	22	anchor	anchor	NN
cord-310218-fky0cm5e	83	23	domain	domain	NN
cord-310218-fky0cm5e	83	24	.	.	.
cord-310218-fky0cm5e	84	1	The	the	DT
cord-310218-fky0cm5e	84	2	N	N	NNP
cord-310218-fky0cm5e	84	3	-	-	HYPH
cord-310218-fky0cm5e	84	4	terminus	terminus	NN
cord-310218-fky0cm5e	84	5	of	of	IN
cord-310218-fky0cm5e	84	6	the	the	DT
cord-310218-fky0cm5e	84	7	S2	S2	NNP
cord-310218-fky0cm5e	84	8	subunit	subunit	NN
cord-310218-fky0cm5e	84	9	of	of	IN
cord-310218-fky0cm5e	84	10	BCV	BCV	NNP
cord-310218-fky0cm5e	84	11	appears	appear	VBZ
cord-310218-fky0cm5e	84	12	to	to	TO
cord-310218-fky0cm5e	84	13	be	be	VB
cord-310218-fky0cm5e	84	14	largely	largely	RB
cord-310218-fky0cm5e	84	15	hydrophilic	hydrophilic	JJ
cord-310218-fky0cm5e	84	16	.	.	.
cord-310218-fky0cm5e	85	1	The	the	DT
cord-310218-fky0cm5e	85	2	first	first	JJ
cord-310218-fky0cm5e	85	3	hydrophobic	hydrophobic	JJ
cord-310218-fky0cm5e	85	4	domain	domain	NN
cord-310218-fky0cm5e	85	5	(	(	-LRB-
cord-310218-fky0cm5e	85	6	VTIDCSAFV	vtidcsafv	NN
cord-310218-fky0cm5e	85	7	-	-	HYPH
cord-310218-fky0cm5e	85	8	CGDYAAC	CGDYAAC	NNP
cord-310218-fky0cm5e	85	9	)	)	-RRB-
cord-310218-fky0cm5e	85	10	is	be	VBZ
cord-310218-fky0cm5e	85	11	located	locate	VBN
cord-310218-fky0cm5e	85	12	54	54	CD
cord-310218-fky0cm5e	85	13	amino	amino	NN
cord-310218-fky0cm5e	85	14	acids	acid	NNS
cord-310218-fky0cm5e	85	15	downstream	downstream	RB
cord-310218-fky0cm5e	85	16	from	from	IN
cord-310218-fky0cm5e	85	17	the	the	DT
cord-310218-fky0cm5e	85	18	cleavage	cleavage	NN
cord-310218-fky0cm5e	85	19	site	site	NN
cord-310218-fky0cm5e	85	20	of	of	IN
cord-310218-fky0cm5e	85	21	the	the	DT
cord-310218-fky0cm5e	85	22	S	S	NNP
cord-310218-fky0cm5e	85	23	precursor	precursor	NN
cord-310218-fky0cm5e	85	24	.	.	.
cord-310218-fky0cm5e	86	1	A	a	DT
cord-310218-fky0cm5e	86	2	similar	similar	JJ
cord-310218-fky0cm5e	86	3	situation	situation	NN
cord-310218-fky0cm5e	86	4	has	have	VBZ
cord-310218-fky0cm5e	86	5	been	be	VBN
cord-310218-fky0cm5e	86	6	observed	observe	VBN
cord-310218-fky0cm5e	86	7	for	for	IN
cord-310218-fky0cm5e	86	8	Semliki	Semliki	NNP
cord-310218-fky0cm5e	86	9	Forest	Forest	NNP
cord-310218-fky0cm5e	86	10	virus	virus	NN
cord-310218-fky0cm5e	86	11	where	where	WRB
cord-310218-fky0cm5e	86	12	the	the	DT
cord-310218-fky0cm5e	86	13	fusogenic	fusogenic	JJ
cord-310218-fky0cm5e	86	14	domain	domain	NN
cord-310218-fky0cm5e	86	15	of	of	IN
cord-310218-fky0cm5e	86	16	the	the	DT
cord-310218-fky0cm5e	86	17	El	El	NNP
cord-310218-fky0cm5e	86	18	glycoprotein	glycoprotein	NN
cord-310218-fky0cm5e	86	19	is	be	VBZ
cord-310218-fky0cm5e	86	20	located	locate	VBN
cord-310218-fky0cm5e	86	21	at	at	IN
cord-310218-fky0cm5e	86	22	amino	amino	NN
cord-310218-fky0cm5e	86	23	acids	acid	NNS
cord-310218-fky0cm5e	86	24	80	80	CD
cord-310218-fky0cm5e	86	25	-	-	SYM
cord-310218-fky0cm5e	86	26	96	96	CD
cord-310218-fky0cm5e	86	27	from	from	IN
cord-310218-fky0cm5e	86	28	the	the	DT
cord-310218-fky0cm5e	86	29	N	N	NNP
cord-310218-fky0cm5e	86	30	-	-	HYPH
cord-310218-fky0cm5e	86	31	terminus	terminus	NN
cord-310218-fky0cm5e	86	32	(	(	-LRB-
cord-310218-fky0cm5e	86	33	29	29	CD
cord-310218-fky0cm5e	86	34	)	)	-RRB-
cord-310218-fky0cm5e	86	35	.	.	.
cord-310218-fky0cm5e	87	1	The	the	DT
cord-310218-fky0cm5e	87	2	significance	significance	NN
cord-310218-fky0cm5e	87	3	of	of	IN
cord-310218-fky0cm5e	87	4	the	the	DT
cord-310218-fky0cm5e	87	5	internal	internal	JJ
cord-310218-fky0cm5e	87	6	hydrophobic	hydrophobic	JJ
cord-310218-fky0cm5e	87	7	domains	domain	NNS
cord-310218-fky0cm5e	87	8	of	of	IN
cord-310218-fky0cm5e	87	9	the	the	DT
cord-310218-fky0cm5e	87	10	BCV	BCV	NNP
cord-310218-fky0cm5e	87	11	S2	S2	NNP
cord-310218-fky0cm5e	87	12	subunit	subunit	NN
cord-310218-fky0cm5e	87	13	with	with	IN
cord-310218-fky0cm5e	87	14	respect	respect	NN
cord-310218-fky0cm5e	87	15	to	to	IN
cord-310218-fky0cm5e	87	16	fusogenicity	fusogenicity	NN
cord-310218-fky0cm5e	87	17	remains	remain	VBZ
cord-310218-fky0cm5e	87	18	to	to	TO
cord-310218-fky0cm5e	87	19	be	be	VB
cord-310218-fky0cm5e	87	20	determined	determine	VBN
cord-310218-fky0cm5e	87	21	.	.	.
cord-310218-fky0cm5e	88	1	Recently	recently	RB
cord-310218-fky0cm5e	88	2	,	,	,
cord-310218-fky0cm5e	88	3	Sturman	Sturman	NNP
cord-310218-fky0cm5e	88	4	et	et	NNP
cord-310218-fky0cm5e	88	5	al	al	NNP
cord-310218-fky0cm5e	88	6	.	.	.
cord-310218-fky0cm5e	89	1	(	(	-LRB-
cord-310218-fky0cm5e	89	2	30	30	CD
cord-310218-fky0cm5e	89	3	,	,	,
cord-310218-fky0cm5e	89	4	31	31	CD
cord-310218-fky0cm5e	89	5	)	)	-RRB-
cord-310218-fky0cm5e	89	6	have	have	VBP
cord-310218-fky0cm5e	89	7	demonstrated	demonstrate	VBN
cord-310218-fky0cm5e	89	8	that	that	IN
cord-310218-fky0cm5e	89	9	the	the	DT
cord-310218-fky0cm5e	89	10	both	both	DT
cord-310218-fky0cm5e	89	11	Sl	Sl	NNS
cord-310218-fky0cm5e	89	12	and	and	CC
cord-310218-fky0cm5e	89	13	S2	S2	NNP
cord-310218-fky0cm5e	89	14	subunit	subunit	NN
cord-310218-fky0cm5e	89	15	glycoproteins	glycoprotein	NNS
cord-310218-fky0cm5e	89	16	of	of	IN
cord-310218-fky0cm5e	89	17	mouse	mouse	NN
cord-310218-fky0cm5e	89	18	hepatitis	hepatitis	NN
cord-310218-fky0cm5e	89	19	coronavirus	coronavirus	NN
cord-310218-fky0cm5e	89	20	(	(	-LRB-
cord-310218-fky0cm5e	89	21	MHVA-59	MHVA-59	NFP
cord-310218-fky0cm5e	89	22	)	)	-RRB-
cord-310218-fky0cm5e	89	23	undergo	undergo	VB
cord-310218-fky0cm5e	89	24	conformational	conformational	JJ
cord-310218-fky0cm5e	89	25	changes	change	NNS
cord-310218-fky0cm5e	89	26	at	at	IN
cord-310218-fky0cm5e	89	27	pH	pH	NNP
cord-310218-fky0cm5e	89	28	8.0	8.0	CD
cord-310218-fky0cm5e	89	29	and	and	CC
cord-310218-fky0cm5e	89	30	37	37	CD
cord-310218-fky0cm5e	89	31	'	'	NNS
cord-310218-fky0cm5e	89	32	,	,	,
cord-310218-fky0cm5e	89	33	resulting	result	VBG
cord-310218-fky0cm5e	89	34	in	in	IN
cord-310218-fky0cm5e	89	35	the	the	DT
cord-310218-fky0cm5e	89	36	release	release	NN
cord-310218-fky0cm5e	89	37	of	of	IN
cord-310218-fky0cm5e	89	38	the	the	DT
cord-310218-fky0cm5e	89	39	Sl	Sl	NNP
cord-310218-fky0cm5e	89	40	from	from	IN
cord-310218-fky0cm5e	89	41	virions	virion	NNS
cord-310218-fky0cm5e	89	42	.	.	.
cord-310218-fky0cm5e	90	1	Furthermore	furthermore	RB
cord-310218-fky0cm5e	90	2	,	,	,
cord-310218-fky0cm5e	90	3	based	base	VBN
cord-310218-fky0cm5e	90	4	upon	upon	IN
cord-310218-fky0cm5e	90	5	the	the	DT
cord-310218-fky0cm5e	90	6	observation	observation	NN
cord-310218-fky0cm5e	90	7	of	of	IN
cord-310218-fky0cm5e	90	8	MHV	MHV	NNP
cord-310218-fky0cm5e	90	9	-	-	HYPH
cord-310218-fky0cm5e	90	10	induced	induce	VBN
cord-310218-fky0cm5e	90	11	cell	cell	NN
cord-310218-fky0cm5e	90	12	fusion	fusion	NN
cord-310218-fky0cm5e	90	13	under	under	IN
cord-310218-fky0cm5e	90	14	mildly	mildly	RB
cord-310218-fky0cm5e	90	15	alkaline	alkaline	JJ
cord-310218-fky0cm5e	90	16	conditions	condition	NNS
cord-310218-fky0cm5e	90	17	,	,	,
cord-310218-fky0cm5e	90	18	both	both	DT
cord-310218-fky0cm5e	90	19	of	of	IN
cord-310218-fky0cm5e	90	20	the	the	DT
cord-310218-fky0cm5e	90	21	subunits	subunit	NNS
cord-310218-fky0cm5e	90	22	have	have	VBP
cord-310218-fky0cm5e	90	23	been	be	VBN
cord-310218-fky0cm5e	90	24	suggested	suggest	VBN
cord-310218-fky0cm5e	90	25	to	to	TO
cord-310218-fky0cm5e	90	26	correlate	correlate	VB
cord-310218-fky0cm5e	90	27	with	with	IN
cord-310218-fky0cm5e	90	28	the	the	DT
cord-310218-fky0cm5e	90	29	coronavirus	coronavirus	NN
cord-310218-fky0cm5e	90	30	infectivity	infectivity	NN
cord-310218-fky0cm5e	90	31	and	and	CC
cord-310218-fky0cm5e	90	32	cell	cell	NN
cord-310218-fky0cm5e	90	33	fusion	fusion	NN
cord-310218-fky0cm5e	90	34	.	.	.
cord-310218-fky0cm5e	91	1	However	however	RB
cord-310218-fky0cm5e	91	2	,	,	,
cord-310218-fky0cm5e	91	3	we	-PRON-	PRP
cord-310218-fky0cm5e	91	4	have	have	VBP
cord-310218-fky0cm5e	91	5	not	not	RB
cord-310218-fky0cm5e	91	6	detected	detect	VBN
cord-310218-fky0cm5e	91	7	fusion	fusion	NN
cord-310218-fky0cm5e	91	8	with	with	IN
cord-310218-fky0cm5e	91	9	the	the	DT
cord-310218-fky0cm5e	91	10	Sl	sl	NN
cord-310218-fky0cm5e	91	11	subunit	subunit	NN
cord-310218-fky0cm5e	91	12	(	(	-LRB-
cord-310218-fky0cm5e	91	13	Fig	Fig	NNP
cord-310218-fky0cm5e	91	14	.	.	.
cord-310218-fky0cm5e	91	15	3D	3D	NNP
cord-310218-fky0cm5e	91	16	)	)	-RRB-
cord-310218-fky0cm5e	91	17	.	.	.
cord-310218-fky0cm5e	92	1	In	in	IN
cord-310218-fky0cm5e	92	2	Semliki	Semliki	NNP
cord-310218-fky0cm5e	92	3	Forest	Forest	NNP
cord-310218-fky0cm5e	92	4	virus	virus	NN
cord-310218-fky0cm5e	92	5	,	,	,
cord-310218-fky0cm5e	92	6	although	although	IN
cord-310218-fky0cm5e	92	7	both	both	CC
cord-310218-fky0cm5e	92	8	El	El	NNP
cord-310218-fky0cm5e	92	9	and	and	CC
cord-310218-fky0cm5e	92	10	E2	E2	NNP
cord-310218-fky0cm5e	92	11	glycoproteins	glycoprotein	NNS
cord-310218-fky0cm5e	92	12	undergo	undergo	VBP
cord-310218-fky0cm5e	92	13	conformational	conformational	JJ
cord-310218-fky0cm5e	92	14	changes	change	NNS
cord-310218-fky0cm5e	92	15	at	at	IN
cord-310218-fky0cm5e	92	16	fusion	fusion	NN
cord-310218-fky0cm5e	92	17	pH	ph	NN
cord-310218-fky0cm5e	92	18	,	,	,
cord-310218-fky0cm5e	92	19	only	only	RB
cord-310218-fky0cm5e	92	20	El	El	NNP
cord-310218-fky0cm5e	92	21	is	be	VBZ
cord-310218-fky0cm5e	92	22	necessary	necessary	JJ
cord-310218-fky0cm5e	92	23	and	and	CC
cord-310218-fky0cm5e	92	24	sufficient	sufficient	JJ
cord-310218-fky0cm5e	92	25	to	to	TO
cord-310218-fky0cm5e	92	26	mediate	mediate	VB
cord-310218-fky0cm5e	92	27	membrane	membrane	NN
cord-310218-fky0cm5e	92	28	fusion	fusion	NN
cord-310218-fky0cm5e	92	29	(	(	-LRB-
cord-310218-fky0cm5e	92	30	32	32	CD
cord-310218-fky0cm5e	92	31	)	)	-RRB-
cord-310218-fky0cm5e	92	32	.	.	.
cord-310218-fky0cm5e	93	1	Similarly	similarly	RB
cord-310218-fky0cm5e	93	2	,	,	,
cord-310218-fky0cm5e	93	3	a	a	DT
cord-310218-fky0cm5e	93	4	conformational	conformational	JJ
cord-310218-fky0cm5e	93	5	change	change	NN
cord-310218-fky0cm5e	93	6	of	of	IN
cord-310218-fky0cm5e	93	7	the	the	DT
cord-310218-fky0cm5e	93	8	BCV	BCV	NNP
cord-310218-fky0cm5e	93	9	Sl	Sl	NNP
cord-310218-fky0cm5e	93	10	may	may	MD
cord-310218-fky0cm5e	93	11	be	be	VB
cord-310218-fky0cm5e	93	12	important	important	JJ
cord-310218-fky0cm5e	93	13	for	for	IN
cord-310218-fky0cm5e	93	14	exposing	expose	VBG
cord-310218-fky0cm5e	93	15	the	the	DT
cord-310218-fky0cm5e	93	16	fusogenic	fusogenic	JJ
cord-310218-fky0cm5e	93	17	domain	domain	NN
cord-310218-fky0cm5e	93	18	of	of	IN
cord-310218-fky0cm5e	93	19	the	the	DT
cord-310218-fky0cm5e	93	20	S2	S2	NNP
cord-310218-fky0cm5e	93	21	subunit	subunit	NN
cord-310218-fky0cm5e	93	22	by	by	IN
cord-310218-fky0cm5e	93	23	releasing	release	VBG
cord-310218-fky0cm5e	93	24	the	the	DT
cord-310218-fky0cm5e	93	25	Sl	sl	NN
cord-310218-fky0cm5e	93	26	rather	rather	RB
cord-310218-fky0cm5e	93	27	than	than	IN
cord-310218-fky0cm5e	93	28	being	be	VBG
cord-310218-fky0cm5e	93	29	directly	directly	RB
cord-310218-fky0cm5e	93	30	involved	involve	VBN
cord-310218-fky0cm5e	93	31	in	in	IN
cord-310218-fky0cm5e	93	32	fusogenicity	fusogenicity	NN
cord-310218-fky0cm5e	93	33	.	.	.
cord-310218-fky0cm5e	94	1	Acidic	acidic	JJ
cord-310218-fky0cm5e	94	2	conditions	condition	NNS
cord-310218-fky0cm5e	94	3	required	require	VBN
cord-310218-fky0cm5e	94	4	for	for	IN
cord-310218-fky0cm5e	94	5	fusion	fusion	NN
cord-310218-fky0cm5e	94	6	in	in	IN
cord-310218-fky0cm5e	94	7	insect	insect	NN
cord-310218-fky0cm5e	94	8	cells	cell	NNS
cord-310218-fky0cm5e	94	9	by	by	IN
cord-310218-fky0cm5e	94	10	the	the	DT
cord-310218-fky0cm5e	94	11	recombinant	recombinant	JJ
cord-310218-fky0cm5e	94	12	S2	S2	NNP
cord-310218-fky0cm5e	94	13	subunit	subunit	NN
cord-310218-fky0cm5e	94	14	seem	seem	VBP
cord-310218-fky0cm5e	94	15	to	to	TO
cord-310218-fky0cm5e	94	16	indicate	indicate	VB
cord-310218-fky0cm5e	94	17	the	the	DT
cord-310218-fky0cm5e	94	18	involvement	involvement	NN
cord-310218-fky0cm5e	94	19	of	of	IN
cord-310218-fky0cm5e	94	20	an	an	DT
cord-310218-fky0cm5e	94	21	acidic	acidic	JJ
cord-310218-fky0cm5e	94	22	compartment	compartment	NN
cord-310218-fky0cm5e	94	23	in	in	IN
cord-310218-fky0cm5e	94	24	initiation	initiation	NN
cord-310218-fky0cm5e	94	25	of	of	IN
cord-310218-fky0cm5e	94	26	BCV	BCV	NNP
cord-310218-fky0cm5e	94	27	infection	infection	NN
cord-310218-fky0cm5e	94	28	.	.	.
cord-310218-fky0cm5e	95	1	Earlier	early	JJR
cord-310218-fky0cm5e	95	2	evidence	evidence	NN
cord-310218-fky0cm5e	95	3	also	also	RB
cord-310218-fky0cm5e	95	4	suggested	suggest	VBD
cord-310218-fky0cm5e	95	5	that	that	IN
cord-310218-fky0cm5e	95	6	MHV	MHV	NNP
cord-310218-fky0cm5e	95	7	infection	infection	NN
cord-310218-fky0cm5e	95	8	involved	involve	VBD
cord-310218-fky0cm5e	95	9	acidification	acidification	NN
cord-310218-fky0cm5e	95	10	of	of	IN
cord-310218-fky0cm5e	95	11	endosomal	endosomal	NNP
cord-310218-fky0cm5e	95	12	vesicles	vesicle	NNS
cord-310218-fky0cm5e	95	13	(	(	-LRB-
cord-310218-fky0cm5e	95	14	33	33	CD
cord-310218-fky0cm5e	95	15	)	)	-RRB-
cord-310218-fky0cm5e	95	16	.	.	.
cord-310218-fky0cm5e	96	1	However	however	RB
cord-310218-fky0cm5e	96	2	,	,	,
cord-310218-fky0cm5e	96	3	fusion	fusion	NN
cord-310218-fky0cm5e	96	4	of	of	IN
cord-310218-fky0cm5e	96	5	mammalian	mammalian	JJ
cord-310218-fky0cm5e	96	6	cells	cell	NNS
cord-310218-fky0cm5e	96	7	infected	infect	VBN
cord-310218-fky0cm5e	96	8	by	by	IN
cord-310218-fky0cm5e	96	9	BCV	BCV	NNP
cord-310218-fky0cm5e	96	10	or	or	CC
cord-310218-fky0cm5e	96	11	other	other	JJ
cord-310218-fky0cm5e	96	12	coronavirus	coronavirus	NN
cord-310218-fky0cm5e	96	13	has	have	VBZ
cord-310218-fky0cm5e	96	14	been	be	VBN
cord-310218-fky0cm5e	96	15	observed	observe	VBN
cord-310218-fky0cm5e	96	16	at	at	IN
cord-310218-fky0cm5e	96	17	mildly	mildly	RB
cord-310218-fky0cm5e	96	18	alkaline	alkaline	JJ
cord-310218-fky0cm5e	96	19	conditions	condition	NNS
cord-310218-fky0cm5e	96	20	ranging	range	VBG
cord-310218-fky0cm5e	96	21	from	from	IN
cord-310218-fky0cm5e	96	22	pH	pH	NNP
cord-310218-fky0cm5e	96	23	7.5	7.5	CD
cord-310218-fky0cm5e	96	24	to	to	IN
cord-310218-fky0cm5e	96	25	8.0	8.0	CD
cord-310218-fky0cm5e	96	26	(	(	-LRB-
cord-310218-fky0cm5e	96	27	14	14	CD
cord-310218-fky0cm5e	96	28	,	,	,
cord-310218-fky0cm5e	96	29	30	30	CD
cord-310218-fky0cm5e	96	30	)	)	-RRB-
cord-310218-fky0cm5e	96	31	,	,	,
cord-310218-fky0cm5e	96	32	suggesting	suggest	VBG
cord-310218-fky0cm5e	96	33	that	that	IN
cord-310218-fky0cm5e	96	34	coronavirus	coronavirus	NN
cord-310218-fky0cm5e	96	35	may	may	MD
cord-310218-fky0cm5e	96	36	enter	enter	VB
cord-310218-fky0cm5e	96	37	the	the	DT
cord-310218-fky0cm5e	96	38	target	target	NN
cord-310218-fky0cm5e	96	39	cells	cell	NNS
cord-310218-fky0cm5e	96	40	by	by	IN
cord-310218-fky0cm5e	96	41	direct	direct	JJ
cord-310218-fky0cm5e	96	42	fusion	fusion	NN
cord-310218-fky0cm5e	96	43	of	of	IN
cord-310218-fky0cm5e	96	44	the	the	DT
cord-310218-fky0cm5e	96	45	viral	viral	JJ
cord-310218-fky0cm5e	96	46	envelope	envelope	NN
cord-310218-fky0cm5e	96	47	with	with	IN
cord-310218-fky0cm5e	96	48	the	the	DT
cord-310218-fky0cm5e	96	49	plasma	plasma	NN
cord-310218-fky0cm5e	96	50	membrane	membrane	NN
cord-310218-fky0cm5e	96	51	.	.	.
cord-310218-fky0cm5e	97	1	In	in	IN
cord-310218-fky0cm5e	97	2	addition	addition	NN
cord-310218-fky0cm5e	97	3	,	,	,
cord-310218-fky0cm5e	97	4	we	-PRON-	PRP
cord-310218-fky0cm5e	97	5	have	have	VBP
cord-310218-fky0cm5e	97	6	previously	previously	RB
cord-310218-fky0cm5e	97	7	observed	observe	VBN
cord-310218-fky0cm5e	97	8	dramatic	dramatic	JJ
cord-310218-fky0cm5e	97	9	differences	difference	NNS
cord-310218-fky0cm5e	97	10	in	in	IN
cord-310218-fky0cm5e	97	11	glycosylation	glycosylation	NN
cord-310218-fky0cm5e	97	12	of	of	IN
cord-310218-fky0cm5e	97	13	the	the	DT
cord-310218-fky0cm5e	97	14	BCV	BCV	NNP
cord-310218-fky0cm5e	97	15	spike	spike	NN
cord-310218-fky0cm5e	97	16	glycoproteins	glycoprotein	NNS
cord-310218-fky0cm5e	97	17	between	between	IN
cord-310218-fky0cm5e	97	18	insect	insect	NN
cord-310218-fky0cm5e	97	19	cells	cell	NNS
cord-310218-fky0cm5e	97	20	and	and	CC
cord-310218-fky0cm5e	97	21	mammalian	mammalian	JJ
cord-310218-fky0cm5e	97	22	cells	cell	NNS
cord-310218-fky0cm5e	97	23	(	(	-LRB-
cord-310218-fky0cm5e	97	24	12	12	CD
cord-310218-fky0cm5e	97	25	)	)	-RRB-
cord-310218-fky0cm5e	97	26	.	.	.
cord-310218-fky0cm5e	98	1	The	the	DT
cord-310218-fky0cm5e	98	2	glycosylation	glycosylation	NN
cord-310218-fky0cm5e	98	3	differences	difference	NNS
cord-310218-fky0cm5e	98	4	may	may	MD
cord-310218-fky0cm5e	98	5	result	result	VB
cord-310218-fky0cm5e	98	6	in	in	IN
cord-310218-fky0cm5e	98	7	the	the	DT
cord-310218-fky0cm5e	98	8	conformational	conformational	JJ
cord-310218-fky0cm5e	98	9	changes	change	NNS
cord-310218-fky0cm5e	98	10	and	and	CC
cord-310218-fky0cm5e	98	11	the	the	DT
cord-310218-fky0cm5e	98	12	altered	altered	JJ
cord-310218-fky0cm5e	98	13	optimum	optimum	JJ
cord-310218-fky0cm5e	98	14	pH	ph	NN
cord-310218-fky0cm5e	98	15	for	for	IN
cord-310218-fky0cm5e	98	16	fusogenicity	fusogenicity	NN
cord-310218-fky0cm5e	98	17	of	of	IN
cord-310218-fky0cm5e	98	18	the	the	DT
cord-310218-fky0cm5e	98	19	recombinant	recombinant	JJ
cord-310218-fky0cm5e	98	20	S2	S2	NNP
cord-310218-fky0cm5e	98	21	subunit	subunit	NN
cord-310218-fky0cm5e	98	22	.	.	.
cord-310218-fky0cm5e	99	1	Thus	thus	RB
cord-310218-fky0cm5e	99	2	,	,	,
cord-310218-fky0cm5e	99	3	expression	expression	NN
cord-310218-fky0cm5e	99	4	of	of	IN
cord-310218-fky0cm5e	99	5	the	the	DT
cord-310218-fky0cm5e	99	6	S2	S2	NNP
cord-310218-fky0cm5e	99	7	subunit	subunit	NN
cord-310218-fky0cm5e	99	8	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	99	9	in	in	IN
cord-310218-fky0cm5e	99	10	mammalian	mammalian	JJ
cord-310218-fky0cm5e	99	11	cells	cell	NNS
cord-310218-fky0cm5e	99	12	should	should	MD
cord-310218-fky0cm5e	99	13	help	help	VB
cord-310218-fky0cm5e	99	14	to	to	TO
cord-310218-fky0cm5e	99	15	determine	determine	VB
cord-310218-fky0cm5e	99	16	if	if	IN
cord-310218-fky0cm5e	99	17	posttranslational	posttranslational	JJ
cord-310218-fky0cm5e	99	18	processing	processing	NN
cord-310218-fky0cm5e	99	19	of	of	IN
cord-310218-fky0cm5e	99	20	the	the	DT
cord-310218-fky0cm5e	99	21	S2	S2	NNP
cord-310218-fky0cm5e	99	22	subunit	subunit	NN
cord-310218-fky0cm5e	99	23	has	have	VBZ
cord-310218-fky0cm5e	99	24	a	a	DT
cord-310218-fky0cm5e	99	25	direct	direct	JJ
cord-310218-fky0cm5e	99	26	bearing	bearing	NN
cord-310218-fky0cm5e	99	27	on	on	IN
cord-310218-fky0cm5e	99	28	the	the	DT
cord-310218-fky0cm5e	99	29	ability	ability	NN
cord-310218-fky0cm5e	99	30	to	to	TO
cord-310218-fky0cm5e	99	31	mediate	mediate	VB
cord-310218-fky0cm5e	99	32	cell	cell	NN
cord-310218-fky0cm5e	99	33	fusion	fusion	NN
cord-310218-fky0cm5e	99	34	at	at	IN
cord-310218-fky0cm5e	99	35	alkaline	alkaline	JJ
cord-310218-fky0cm5e	100	1	pH.	pH.	NNP
cord-310218-fky0cm5e	100	2	Previous	Previous	NNP
cord-310218-fky0cm5e	100	3	reports	report	NNS
cord-310218-fky0cm5e	100	4	have	have	VBP
cord-310218-fky0cm5e	100	5	indicated	indicate	VBN
cord-310218-fky0cm5e	100	6	that	that	IN
cord-310218-fky0cm5e	100	7	the	the	DT
cord-310218-fky0cm5e	100	8	S2	S2	NNP
cord-310218-fky0cm5e	100	9	subunit	subunit	NN
cord-310218-fky0cm5e	100	10	of	of	IN
cord-310218-fky0cm5e	100	11	the	the	DT
cord-310218-fky0cm5e	100	12	S	S	NNP
cord-310218-fky0cm5e	100	13	polypeptides	polypeptide	NNS
cord-310218-fky0cm5e	100	14	of	of	IN
cord-310218-fky0cm5e	100	15	other	other	JJ
cord-310218-fky0cm5e	100	16	coronaviruses	coronaviruse	NNS
cord-310218-fky0cm5e	100	17	contain	contain	VBP
cord-310218-fky0cm5e	100	18	neutralizing	neutralize	VBG
cord-310218-fky0cm5e	100	19	epitopes	epitope	NNS
cord-310218-fky0cm5e	100	20	as	as	RB
cord-310218-fky0cm5e	100	21	well	well	RB
cord-310218-fky0cm5e	100	22	as	as	IN
cord-310218-fky0cm5e	100	23	determinants	determinant	NNS
cord-310218-fky0cm5e	100	24	of	of	IN
cord-310218-fky0cm5e	100	25	virulence	virulence	NN
cord-310218-fky0cm5e	100	26	and	and	CC
cord-310218-fky0cm5e	100	27	tissue	tissue	NN
cord-310218-fky0cm5e	100	28	tropism	tropism	NN
cord-310218-fky0cm5e	100	29	(	(	-LRB-
cord-310218-fky0cm5e	100	30	26	26	CD
cord-310218-fky0cm5e	100	31	,	,	,
cord-310218-fky0cm5e	100	32	(	(	-LRB-
cord-310218-fky0cm5e	100	33	34	34	CD
cord-310218-fky0cm5e	100	34	)	)	-RRB-
cord-310218-fky0cm5e	100	35	(	(	-LRB-
cord-310218-fky0cm5e	100	36	35	35	CD
cord-310218-fky0cm5e	100	37	)	)	-RRB-
cord-310218-fky0cm5e	100	38	(	(	-LRB-
cord-310218-fky0cm5e	100	39	36	36	CD
cord-310218-fky0cm5e	100	40	)	)	-RRB-
cord-310218-fky0cm5e	100	41	.	.	.
cord-310218-fky0cm5e	101	1	Deregt	Deregt	NNP
cord-310218-fky0cm5e	101	2	et	et	FW
cord-310218-fky0cm5e	101	3	al	al	NNP
cord-310218-fky0cm5e	101	4	.	.	.
cord-310218-fky0cm5e	102	1	(	(	-LRB-
cord-310218-fky0cm5e	102	2	5	5	LS
cord-310218-fky0cm5e	102	3	)	)	-RRB-
cord-310218-fky0cm5e	102	4	have	have	VBP
cord-310218-fky0cm5e	102	5	produced	produce	VBN
cord-310218-fky0cm5e	102	6	a	a	DT
cord-310218-fky0cm5e	102	7	panel	panel	NN
cord-310218-fky0cm5e	102	8	of	of	IN
cord-310218-fky0cm5e	102	9	monoclonal	monoclonal	JJ
cord-310218-fky0cm5e	102	10	antibodies	antibody	NNS
cord-310218-fky0cm5e	102	11	specific	specific	JJ
cord-310218-fky0cm5e	102	12	for	for	IN
cord-310218-fky0cm5e	102	13	the	the	DT
cord-310218-fky0cm5e	102	14	S	S	NNP
cord-310218-fky0cm5e	102	15	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	102	16	of	of	IN
cord-310218-fky0cm5e	102	17	bovine	bovine	JJ
cord-310218-fky0cm5e	102	18	coronavirus	coronavirus	NN
cord-310218-fky0cm5e	102	19	,	,	,
cord-310218-fky0cm5e	102	20	all	all	DT
cord-310218-fky0cm5e	102	21	of	of	IN
cord-310218-fky0cm5e	102	22	which	which	WDT
cord-310218-fky0cm5e	102	23	bind	bind	VBP
cord-310218-fky0cm5e	102	24	the	the	DT
cord-310218-fky0cm5e	102	25	Sl	sl	NN
cord-310218-fky0cm5e	102	26	subunit	subunit	NN
cord-310218-fky0cm5e	102	27	(	(	-LRB-
cord-310218-fky0cm5e	102	28	12	12	CD
cord-310218-fky0cm5e	102	29	)	)	-RRB-
cord-310218-fky0cm5e	102	30	.	.	.
cord-310218-fky0cm5e	103	1	As	as	IN
cord-310218-fky0cm5e	103	2	fusion	fusion	NN
cord-310218-fky0cm5e	103	3	of	of	IN
cord-310218-fky0cm5e	103	4	the	the	DT
cord-310218-fky0cm5e	103	5	viral	viral	JJ
cord-310218-fky0cm5e	103	6	envelope	envelope	NN
cord-310218-fky0cm5e	103	7	with	with	IN
cord-310218-fky0cm5e	103	8	cellular	cellular	JJ
cord-310218-fky0cm5e	103	9	membranes	membrane	NNS
cord-310218-fky0cm5e	103	10	is	be	VBZ
cord-310218-fky0cm5e	103	11	a	a	DT
cord-310218-fky0cm5e	103	12	critical	critical	JJ
cord-310218-fky0cm5e	103	13	requirement	requirement	NN
cord-310218-fky0cm5e	103	14	for	for	IN
cord-310218-fky0cm5e	103	15	virus	virus	NN
cord-310218-fky0cm5e	103	16	infection	infection	NN
cord-310218-fky0cm5e	103	17	,	,	,
cord-310218-fky0cm5e	103	18	we	-PRON-	PRP
cord-310218-fky0cm5e	103	19	are	be	VBP
cord-310218-fky0cm5e	103	20	preparing	prepare	VBG
cord-310218-fky0cm5e	103	21	antisera	antisera	NN
cord-310218-fky0cm5e	103	22	directed	direct	VBN
cord-310218-fky0cm5e	103	23	against	against	IN
cord-310218-fky0cm5e	103	24	specific	specific	JJ
cord-310218-fky0cm5e	103	25	regions	region	NNS
cord-310218-fky0cm5e	103	26	of	of	IN
cord-310218-fky0cm5e	103	27	the	the	DT
cord-310218-fky0cm5e	103	28	S2	S2	NNP
cord-310218-fky0cm5e	103	29	subunit	subunit	NN
cord-310218-fky0cm5e	103	30	in	in	IN
cord-310218-fky0cm5e	103	31	order	order	NN
cord-310218-fky0cm5e	103	32	to	to	TO
cord-310218-fky0cm5e	103	33	identify	identify	VB
cord-310218-fky0cm5e	103	34	the	the	DT
cord-310218-fky0cm5e	103	35	amino	amino	NN
cord-310218-fky0cm5e	103	36	acids	acid	NNS
cord-310218-fky0cm5e	103	37	mediating	mediate	VBG
cord-310218-fky0cm5e	103	38	membrane	membrane	NN
cord-310218-fky0cm5e	103	39	fusion	fusion	NN
cord-310218-fky0cm5e	103	40	and	and	CC
cord-310218-fky0cm5e	103	41	to	to	TO
cord-310218-fky0cm5e	103	42	determine	determine	VB
cord-310218-fky0cm5e	103	43	if	if	IN
cord-310218-fky0cm5e	103	44	the	the	DT
cord-310218-fky0cm5e	103	45	fusogenic	fusogenic	JJ
cord-310218-fky0cm5e	103	46	domain	domain	NN
cord-310218-fky0cm5e	103	47	of	of	IN
cord-310218-fky0cm5e	103	48	the	the	DT
cord-310218-fky0cm5e	103	49	S2	S2	NNP
cord-310218-fky0cm5e	103	50	polypeptide	polypeptide	NN
cord-310218-fky0cm5e	103	51	constitutes	constitute	VBZ
cord-310218-fky0cm5e	103	52	an	an	DT
cord-310218-fky0cm5e	103	53	important	important	JJ
cord-310218-fky0cm5e	103	54	immunological	immunological	JJ
cord-310218-fky0cm5e	103	55	determinant	determinant	NN
cord-310218-fky0cm5e	103	56	.	.	.
cord-310218-fky0cm5e	104	1	Proc	proc	VB
cord-310218-fky0cm5e	104	2	.	.	.
cord-310218-fky0cm5e	105	1	Nat/.	Nat/.	NNP
cord-310218-fky0cm5e	105	2	Acad	Acad	NNP
cord-310218-fky0cm5e	105	3	.	.	.
cord-310218-fky0cm5e	106	1	Sci	Sci	NNP
cord-310218-fky0cm5e	106	2	.	.	NNP
cord-310218-fky0cm5e	106	3	USA	USA	NNP
cord-310218-fky0cm5e	106	4	Proc	Proc	NNP
cord-310218-fky0cm5e	106	5	.	.	.
cord-310218-fky0cm5e	107	1	Natl	Natl	NNP
cord-310218-fky0cm5e	107	2	.	.	.
cord-310218-fky0cm5e	108	1	Acad	Acad	NNP
cord-310218-fky0cm5e	108	2	.	.	.
cord-310218-fky0cm5e	109	1	Sci	Sci	NNP
cord-310218-fky0cm5e	109	2	.	.	NNP
cord-310218-fky0cm5e	109	3	USA	USA	NNP