5OMS:
reference: A promiscuous cytochrome P450 aromatic O-demethylase for lignin bioconversion., Mallinson SJB, Machovina MM, Silveira RL, Garcia-Borras M, Gallup N, Johnson CW, Allen MD, Skaf MS, Crowley MF, Neidle EL, Houk KN, Beckham GT, DuBois JL, McGeehan JE, Nat Commun. 2018 Jun 27;9(1):2487. doi: 10.1038/s41467-018-04878-2. PMID: 29950589

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