3FI7:
reference: Structural basis for autoinhibition and activation of Auto, a virulence-associated peptidoglycan hydrolase of Listeria monocytogenes., Bublitz M, Polle L, Holland C, Heinz DW, Nimtz M, Schubert WD, Mol Microbiol. 2009 Mar;71(6):1509-22. Epub 2009 Jan 23. PMID: 19210622

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