43CA:
reference: Structural basis for amide hydrolysis catalyzed by the 43C9 antibody., Thayer MM, Olender EH, Arvai AS, Koike CK, Canestrelli IL, Stewart JD, Benkovic SJ, Getzoff ED, Roberts VA, J Mol Biol 1999 Aug 13;291(2):329-45. PMID: 10438624

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