Target intelligence / Profile preview

HIV Envelope Glycoprotein Trimer V2 Apex Region (V2 Apex)

Target
V2 Apex
Molecular classification
Glycoprotein complex, Viral protein complex
01

Overview

The HIV envelope glycoprotein (Env) trimer V2 apex region is a segment at the top of the Env trimer, formed by portions of the variable loops V1 and V2 from each gp120 subunit. It mediates viral attachment and fusion and is a major target for broadly neutralizing antibodies. The region is characterized by dense glycosylation, sequence variability, and a hydrophobic core, presenting significant challenges for vaccine development, but also opportunities for immunogen design focused on eliciting bnAbs.

Other names
Env V2 Apexgp120 V2 Loop ApexHIV Env Trimer ApexV1V2 ApexHIV-1 V2 Apex
02

Mechanism of action

Neutralization of viral entry via antibody binding

03

Biological functions

Viral entryReceptor bindingMembrane fusionImmune evasionSpike conformation regulation
04

Disease associations

HIV infectionAIDS
05

Safety considerations

High sequence variabilityDense glycosylation hindering antibody accessChallenges in eliciting broadly neutralizing antibodies

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