HIV-1 Vpr-mediated G2 cell cycle arrest is dependent on the interaction of Vpr with an E3 ubiquitin ligase that contains damage-specific DNA binding protein 1 (DDB1), Cullin 4A (Cul4A), DDB1 and Cul4-associated factor 1 (DCAF1), and Rbx1. Vpr is thought to associate directly with DCAF1 in the E3 ubiquitin ligase complex although the exact interaction pattern of the proteins in the complex is not completely defined. The Vpr of SIVagm induces G2 arrest of cognate African Green Monkey (AGM) cells but not human cells. The molecular mechanism by which SIVagm Vpr exhibits its species-specific function remained unknown.
Pubmed ID: 24912982 RIS Download
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View all literature mentionsCell line HeLa is a Cancer cell line with a species of origin Homo sapiens
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