1OME:
reference: Role of the omega-loop in the activity, substrate specificity, and structure of class A beta-lactamase., Banerjee S, Pieper U, Kapadia G, Pannell LK, Herzberg O, Biochemistry 1998 Mar 10;37(10):3286-96. PMID: 9521648

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