Target intelligence / Profile preview

Human Immunodeficiency Virus Type 1 Envelope Protein gp120 (gp120)

Target
gp120
Molecular classification
Glycoprotein, Viral Envelope Protein
01

Overview

HIV‑1 envelope protein gp120 is an essential surface-exposed glycoprotein that orchestrates virus attachment to host cells through specific interactions with CD4 receptors followed by chemokine co-receptors. Its complex structure—characterized by high variability, extensive glycosylation, dynamic conformation shifts—and critical role in immune evasion make it both central to HIV pathogenesis and an important therapeutic/vaccine target.

02

Mechanism of action

Inhibition of gp120 interaction with CD4 or co-receptors, blocking viral entry

03

Biological functions

Viral entryReceptor bindingMembrane fusionImmune evasionCell-to-cell transmission of HIV
04

Disease associations

InfectionHIV pathogenesis
05

Safety considerations

High variability and glycosylation hinder antibody recognitionConformational changes complicate therapeutic targetingPotential for resistance development

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