6BYW:
reference: Structure and Enzymatic Properties of an Unusual Cysteine Tryptophylquinone-Dependent Glycine Oxidase from Pseudoalteromonas luteoviolacea., Andreo-Vidal A, Mamounis KJ, Sehanobish E, Avalos D, Campillo-Brocal JC, Sanchez-Amat A, Yukl ET, Davidson VL, Biochemistry. 2018 Feb 6. doi: 10.1021/acs.biochem.8b00009. PMID: 29381339

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