4BWC:
reference: Is the Bovine lysosomal phospholipase B-like protein an amidase?, Repo H, Kuokkanen E, Oksanen E, Goldman A, Heikinheimo P, Proteins. 2013 Aug 12. doi: 10.1002/prot.24388. PMID: 23934913

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