4YAR:
reference: A Common Late-Stage Intermediate in Catalysis by 2-Hydroxyethyl-phosphonate Dioxygenase and Methylphosphonate Synthase., Peck SC, Chekan JR, Ulrich EC, Nair SK, van der Donk WA, J Am Chem Soc. 2015 Feb 26. PMID: 25699631

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