Files in this Data Supplement:

• Supplemental file 1 - Fig. S1 ( NLS activity in mutated full-length protein pVII.)
  Fig. S2 (Multiple recombinant transport factors binding to individual domains of GST-protein pVII; importin ß and transportin competing for binding to GST-protein pVII.)
  Fig. S3 (Activity of recombinant import receptors used for nuclear import assays in digitonin-permeabilized NRK cells.)
  Zipped PDF document, 1.6MB.
• Supplemental file 2 - Legends to Fig. S1, S2, and S3
  MS Word document, 34K.