1S3R:
reference: Insights into the action of the superfamily of cholesterol-dependent cytolysins from studies of intermedilysin., Polekhina G, Giddings KS, Tweten RK, Parker MW, Proc Natl Acad Sci U S A 2005 Jan 18;102(3):600-5. Epub 2005 Jan 06. PMID: 15637162

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