skip to content

HIV/AIDS Glossary

Binding

Synonym(s): Attachment

The first of seven steps in the HIV life cycle. When HIV attacks a CD4 cell, the virus binds (attaches itself) to molecules on the surface of the CD4 cell: first a CD4 receptor and then either a CCR5 or CXCR4 coreceptor.

Related Term(s): CCR5 Antagonist, Life Cycle

Image(s):

(Click to enlarge)
Binding is the first step of HIV replication.
Steps of HIV replication

Search the Glossary

What's this?

Print

AIDSinfo Glossary App

Download Glossary