1YP1:
reference: Crystal structure of a non-hemorrhagic fibrin(ogen)olytic metalloproteinase complexed with a novel natural tri-peptide inhibitor from venom of Agkistrodon acutus., Lou Z, Hou J, Liang X, Chen J, Qiu P, Liu Y, Li M, Rao Z, Yan G, J Struct Biol. 2005 Dec;152(3):195-203. Epub 2005 Nov 16. PMID: 16330227

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