. . . . . . . . . . . . "importin beta specifically binds to the Rev nuclear localization signal (NLS, amino acids 35-50) and mediates the nuclear import of Rev" . "importin beta can inhibit the interaction of HIV-1 Rev with HIV-1 RRE RNA" . "HIV-1 Rev nuclear import mediated by importin beta is selectively blocked by competitive excess of HIC in a cell-specific fashion" . "HIV-1 Rev interacting protein, karyopherin (importin) beta 1, is identified by the in-vitro binding experiments involving cytosolic or nuclear extracts from HeLa cells" . "Rev interacts with Imp-beta." . "BIND" . "interacts with" . "inhibited by" . "binds" .