8fis

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Structure of Bispecific CAP256V2LS-J3 Fab in complex with BG505 DS-SOSIP.664

Structural highlights

8fis is a 10 chain structure with sequence from Homo sapiens, Human immunodeficiency virus 1 and Lama glama. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:BMA, MAN, NAG, TYS
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

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]

Contents


PDB ID 8fis

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OCA

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