5FF9:
reference: Identification of a Noroxomaritidine Reductase with Amaryllidaceae Alkaloid Biosynthesis Related Activities., Kilgore MB, Holland CK, Jez JM, Kutchan TM, J Biol Chem. 2016 Jun 1. pii: jbc.M116.717827. PMID: 27252378

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