3FO2:
reference: An aspartate and a water molecule mediate efficient acid-base catalysis in a tailored antibody pocket., Debler EW, Muller R, Hilvert D, Wilson IA, Proc Natl Acad Sci U S A. 2009 Nov 3;106(44):18539-44. Epub 2009 Oct 21. PMID: 19846764

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