1M4C:
reference: Binding of small molecules to an adaptive protein-protein interface., Arkin MR, Randal M, DeLano WL, Hyde J, Luong TN, Oslob JD, Raphael DR, Taylor L, Wang J, McDowell RS, Wells JA, Braisted AC, Proc Natl Acad Sci U S A 2003 Feb 18;100(4):1603-8. Epub 2003 Feb 11. PMID: 12582206

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