5OKI:
reference: Structural Basis for the Recruitment of Ctf18-RFC to the Replisome., Grabarczyk DB, Silkenat S, Kisker C, Structure. 2017 Dec 6. pii: S0969-2126(17)30357-X. doi:, 10.1016/j.str.2017.11.004. PMID: 29225079

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