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Subcellular localization of Rex-2 mutants. To determine the subcellular localization of the Rex-2 mutants, HeLa-Tat cells were transfected with 1 μg of a control plasmid, wt Rex-2, or various Rex-2 mutants. At 24 h posttransfection, the cells were stained with rabbit Rex-2-specific antisera (green). Nuclei were stained with DAPI (blue). α-Rex, anti-Rex.
