1XUC:
reference: Structural basis for the highly selective inhibition of MMP-13., Engel CK, Pirard B, Schimanski S, Kirsch R, Habermann J, Klingler O, Schlotte V, Weithmann KU, Wendt KU, Chem Biol 2005 Feb;12(2):181-9. PMID: 15734645

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