Target intelligence / Profile preview

HIV-1 Envelope Glycoprotein Trimer (V2 Apex Region) (Env)

Target
Env
Molecular classification
Glycoprotein, Viral protein, Membrane protein
01

Overview

The HIV-1 envelope glycoprotein trimer (Env) is a complex, metastable structure on the surface of the human immunodeficiency virus type 1 (HIV-1). It is responsible for mediating viral entry into host cells and serves as the sole virus-specific target for neutralizing antibodies. The V2 apex refers specifically to a quaternary epitope located at the tip formed by convergence of V2 loops from all three gp120 protomers in the native trimeric structure. The V2 apex is considered one of several major sites targeted by bnAbs capable of neutralizing diverse HIV strains.

Other names
HIV-1 Env trimergp120-gp41V2 Apex
02

Mechanism of action

Antibody-mediated neutralization of viral entry

03

Biological functions

Viral entryReceptor bindingMembrane fusionImmune evasion
04

Disease associations

InfectionHIV-1 pathogenesis
05

Safety considerations

Immune escapeGlycosylation masking of epitopesConformational flexibilityElicitation of non-neutralizing antibodies
06

Interacting drugs

Broadly neutralizing antibodies (bnAbs)

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