1XRS:
reference: A locking mechanism preventing radical damage in the absence of substrate, as revealed by the x-ray structure of lysine 5,6-aminomutase., Berkovitch F, Behshad E, Tang KH, Enns EA, Frey PA, Drennan CL, Proc Natl Acad Sci U S A. 2004 Nov 9;101(45):15870-5. Epub 2004 Oct 28. PMID: 15514022

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