id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-009399-6zpkpdzu	Sun, Fang	Topology, Antiviral Functional Residues and Mechanism of IFITM1	2020-03-08		.txt	text/plain	5697	354	57	Further, KRRK basic residues of IFITM1 locating at 62–67 of the conserved intracellular loop (CIL) were found to play a key role in the restriction on the Zika virus (ZIKV) and dengue virus (DENV). Finally, IFITM1 was revealed to be capable of restricting the release of ZIKV particles from endosome to cytosol so as to impede the entry of ZIKV into host cells, which was tightly related with the inhibition of IFITM1 on the acidification of organelles. Some studies suggest that IFITM proteins may suppress the entry of viruses by inhibiting the hemifusion of viral membrane and host cell membranes [15] or restricting the formation of fusion pores following virus-endosome hemifusion [16] . Alanine scanning and site-directed mutations found that KRRK basic residues were key for the restriction of IFITM proteins on ZIKV and DENV. Significantly, we found that IFITM1 can restrict the release of ZIKV from endosome to cytosol to prevent the entry of viral particles into host cells, which was associated with its inhibition on organelles acidification.	./cache/cord-009399-6zpkpdzu.txt	./txt/cord-009399-6zpkpdzu.txt