6JDK:
reference: Structural basis for the selective addition of an oxygen atom to cyclic ketones by Baeyer-Villiger monooxygenase from Parvibaculum lavamentivorans., Nguyen TD, Choi GE, Gu DH, Seo PW, Kim JW, Park JB, Kim JS, Biochem Biophys Res Commun. 2019 Mar 23. pii: S0006-291X(19)30505-4. doi:, 10.1016/j.bbrc.2019.03.114. PMID: 30914200

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