6EXH:
reference: Structural Studies based on two Lysine Dioxygenases with Distinct Regioselectivity Brings Insights Into Enzyme Specificity within the Clavaminate Synthase-Like Family., Bastard K, Isabet T, Stura EA, Legrand P, Zaparucha A, Sci Rep. 2018 Nov 8;8(1):16587. doi: 10.1038/s41598-018-34795-9. PMID: 30410048

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