4XH0:
reference: Structure of the Saccharomyces cerevisiae Hrr25:Mam1 monopolin subcomplex reveals a novel kinase regulator., Ye Q, Ur SN, Su TY, Corbett KD, EMBO J. 2016 Oct 4;35(19):2139-2151. Epub 2016 Aug 4. PMID: 27491543

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