1RB6:
reference: Automated protein crystal structure determination using ELVES., Holton J, Alber T, Proc Natl Acad Sci U S A 2004 Feb 10;101(6):1537-42. Epub 2004 Jan 29. PMID: 14752198

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