Viral Infectivity Factor: A Novel Therapeutic Strategy to Block HIV-1 Replication

Guliang      Yang; Xujie      Xiong

doi:10.2174/1389557511313070008

Abstract

The HIV-1 viral infectivity factor (Vif), one of the six accessory proteins, is essential for viral replication and pathogenesis. Its main function is to form Vif-Cullin5-ElonginBC complex and then is able to ubiquitinate and degrade the human anti-viral factor APOBEC3G, which markedly enhances the virus infectivity. Delete Vif leads to the loss of the infectivity of HIV-1; therefore, Vif is a potentially new attractive target for therapeutic intervention in AIDS. This review describes the structure, function and especially inhibitors of HIV-1 Vif.

Keywords: HIV-1, accessory proteins, Vif, structure, function, inhibitors.

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