. . . "Nef-associated factor 1 (Naf1) binds to HIV-1 Nef through amino acids 94-412 of Naf1; overexpression of Naf1 in 293T cells increases CD4 expression, and Nef suppresses this activity of Naf1 to downregulate CD4" . "Reconstituted Complex; Two-hybrid" . "BioGRID" . "binds" .