3N6W:
reference: Crystal structure of human gamma-butyrobetaine hydroxylase., Tars K, Rumnieks J, Zeltins A, Kazaks A, Kotelovica S, Leonciks A, Saripo J, Viksna A, Kuka J, Liepinsh E, Dambrova M, Biochem Biophys Res Commun. 2010 Jul 1. PMID: 20599753

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