Fig. 4. RCC1
interacts less well with importins than RCC1
. (A) Endogenous importin
precipitated from asynchronous HeLa extracts using beads coupled to GST-RCC1
, GST-RCC1
or GST, with or without His6-importin
3 (Imp
3). (B) Endogenous RCC1 precipitated from asynchronous HeLa extracts using beads coupled to GST-importin
(Imp
) or GST, with or without His6-importin
3. (C) Binding of untagged RCC1
, RCC1
or GST to the chromatin pellet from subcellular fractionation of HeLa cells, with His6-importin
3 and GST-importin
, or with GST as a control. (D) Endogenous RCC1 isoforms from asynchronous HeLa extracts bound by DNA-cellulose, with or without His6-importin
3 and GST-importin
. Molecular mass (in kDa) is indicated on the left.