3ZXU:
reference: RWD domain: a recurring module in kinetochore architecture shown by a Ctf19-Mcm21 complex structure., Schmitzberger F, Harrison SC, EMBO Rep. 2012 Mar 1;13(3):216-22. doi: 10.1038/embor.2012.1. PMID: 22322944

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