5CKU:
reference: Contribution to catalysis of ornithine binding residues in ornithine N5-monooxygenase., Robinson R, Qureshi IA, Klancher CA, Rodriguez PJ, Tanner JJ, Sobrado P, Arch Biochem Biophys. 2015 Sep 12;585:25-31. doi: 10.1016/j.abb.2015.09.008. PMID: 26375201

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