Fig. 3 . LEDGF/p75 and LEDGF/p75.NLS; subcellular location and interactions with chromatin, in different phases of the cell cycle. (A) Transient transfection into L cells. (B) Immunoblotting in L cells, using anti-LEDGF/p75 mAb. Endogenous p52 is also detected by the N-terminus antibody.