Target intelligence / Profile preview

HIV Envelope Glycoprotein Complex (Env)

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

Overview

The HIV envelope glycoprotein complex (Env), composed of gp120 and gp41, is essential for viral entry into host cells. Gp120 binds to CD4 and coreceptors (CCR5 or CXCR4) on the host cell, triggering conformational changes in gp41. Gp41 then mediates the fusion of the viral and cellular membranes, allowing the viral capsid to enter the host cell. This process is a key target for antiviral drugs.

Other names
gp160gp120/gp41 complex
02

Mechanism of action

Inhibition of gp41 six-helix bundle formation, blocking membrane fusion.

03

Biological functions

Viral entryMembrane fusionReceptor binding
04

Disease associations

InfectionHIV infectionAIDS
05

Safety considerations

Drug resistanceLimited oral bioavailability (for peptide inhibitors)Injection site reactions (for enfuvirtide)
06

Interacting drugs

Enfuvirtide (T20)

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