5UMZ:
reference: Structural characterisation of TNRC6A nuclear localisation signal in complex with importin-alpha., Chaston JJ, Stewart AG, Christie M, PLoS One. 2017 Aug 24;12(8):e0183587. doi: 10.1371/journal.pone.0183587., eCollection 2017. PMID: 28837617

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