3W3Y:
reference: Structural basis for cell-cycle dependent nuclear import mediated by the karyopherin Kap121p., Kobayashi J, Matsuura Y, J Mol Biol. 2013 Mar 27. pii: S0022-2836(13)00194-0. doi:, 10.1016/j.jmb.2013.02.035. PMID: 23541588

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).