1QUA:
reference: Structure of acutolysin-C, a haemorrhagic toxin from the venom of Agkistrodon acutus, providing further evidence for the mechanism of the pH-dependent proteolytic reaction of zinc metalloproteinases., Zhu X, Teng M, Niu L, Acta Crystallogr D Biol Crystallogr 1999 Nov;55(11):1834-41. PMID: 10531480

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