4KT3:
reference: Identification, structure and function of a novel type VI secretion peptidoglycan glycoside hydrolase effector-immunity pair., Whitney JC, Chou S, Russell AB, Biboy J, Gardiner TE, Ferrin MA, Brittnacher M, Vollmer W, Mougous JD, J Biol Chem. 2013 Jul 22. PMID: 23878199

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