HIV/AIDS Glossary
CCR5
Synonym(s): C-C Chemokine Receptor 5, Cysteine-Cysteine Chemokine Receptor 5
A protein on the surface of certain immune system cells, including CD4 T lymphocytes (CD4 cells). CCR5 can act as a coreceptor (a second receptor binding site) for HIV when the virus enters a host cell.
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