Cellular localization of wild-type (WT) and mutant forms of the NUP98/HHEX fusion protein. (A) Schematic representation of N-terminal EGFP-tagged NUP98/HHEX expression constructs. (B-H) Localization of EGFP-tagged proteins upon transient transfection in HeLa cells. (I) Immunoblot of expressed proteins as detected by anti-GFP antibodies.