4XMN:
reference: Nuclear pores. Architecture of the nuclear pore complex coat., Stuwe T, Correia AR, Lin DH, Paduch M, Lu VT, Kossiakoff AA, Hoelz A, Science. 2015 Mar 6;347(6226):1148-52. doi: 10.1126/science.aaa4136. Epub 2015, Feb 12. PMID: 25745173

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