1W4X:
reference: Crystal structure of a Baeyer-Villiger monooxygenase., Malito E, Alfieri A, Fraaije MW, Mattevi A, Proc Natl Acad Sci U S A. 2004 Sep 7;101(36):13157-62. Epub 2004 Aug 24. PMID: 15328411

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