2HP6:
reference: Critical role of Tryptophan 154 for the activity and stability of class D beta-lactamases., Baurin S, Vercheval L, Bouillenne F, Falzone C, Brans A, Jacquamet L, Ferrer JL, Sauvage E, Dehareng D, Frere JM, Charlier P, Galleni M, Kerff F, Biochemistry. 2009 Oct 27. PMID: 19860471

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