A new structure of full length importin , a key protein in the nuclear
transport process, lends support to a model of autoinhibition mediated by
importin residues that mimic a nuclear localization sequence. This
model explains the change in importin affinity for nuclear localization
sequences that occurs in transporting cargo from the cytoplasm to the nucleus.
, a key protein in the nuclear
transport process, lends support to a model of autoinhibition mediated by
importin 
