3QAY:
reference: Structure-based modification of a Clostridium difficile-targeting endolysin affects activity and host range., Mayer MJ, Garefalaki V, Spoerl R, Narbad A, Meijers R, J Bacteriol. 2011 Oct;193(19):5477-86. Epub 2011 Jul 29. PMID: 21803993

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