1FOF:
reference: Crystal structure of the class D beta-lactamase OXA-10., Paetzel M, Danel F, de Castro L, Mosimann SC, Page MG, Strynadka NC, Nat Struct Biol 2000 Oct;7(10):918-25. PMID: 11017203

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