MMC complementation and subcellular localization of FAA-GFP tagged with the SV40 Large T NLS. (A) MMC survival curve of FA-A lymphoblasts stably transfected with FAA-GFP tagged with either a functional (NLS/FAA-GFP) or inactive (mNLS/FAA-GFP) Large T NLS. As control, FA-A cells transfected with the Large T NLS fused to GFP (NLS/GFP) were used. (B) Fluorescence microscopy of 293-EBNA cells transfected with NLS/FAA-GFP or NLS/GFP.