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New page: ==Crystal Structure at 3.7 A Resolution of Fully Glycosylated HIV-1 Clade A BG505 SOSIP.664 Prefusion Env Trimer in Complex with Broadly Neutralizing Antibodies PGT122 and 35O22== <Struct... |
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Revision as of 19:24, 10 May 2016
Crystal Structure at 3.7 A Resolution of Fully Glycosylated HIV-1 Clade A BG505 SOSIP.664 Prefusion Env Trimer in Complex with Broadly Neutralizing Antibodies PGT122 and 35O22Crystal Structure at 3.7 A Resolution of Fully Glycosylated HIV-1 Clade A BG505 SOSIP.664 Prefusion Env Trimer in Complex with Broadly Neutralizing Antibodies PGT122 and 35O22
Structural highlights
Function[Q2N0S6_9HIV1] The envelope glyprotein gp160 precursor down-modulates cell surface CD4 antigen by interacting with it in the endoplasmic reticulum and blocking its transport to the cell surface (By similarity).[RuleBase:RU004292][SAAS:SAAS000328_004_020447] The gp120-gp41 heterodimer allows rapid transcytosis of the virus through CD4 negative cells such as simple epithelial monolayers of the intestinal, rectal and endocervical epithelial barriers. Both gp120 and gp41 specifically recognize glycosphingolipids galactosyl-ceramide (GalCer) or 3' sulfo-galactosyl-ceramide (GalS) present in the lipid rafts structures of epithelial cells. Binding to these alternative receptors allows the rapid transcytosis of the virus through the epithelial cells. This transcytotic vesicle-mediated transport of virions from the apical side to the basolateral side of the epithelial cells does not involve infection of the cells themselves (By similarity).[SAAS:SAAS000328_004_240990] |
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