1ZBX:
reference: Structural basis for origin recognition complex 1 protein-silence information regulator 1 protein interaction in epigenetic silencing., Hsu HC, Stillman B, Xu RM, Proc Natl Acad Sci U S A 2005 Jun 14;102(24):8519-24. Epub 2005 Jun 3. PMID: 15937111

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