1BQO:
reference: Discovery of potent, achiral matrix metalloproteinase inhibitors., Pikul S, McDow Dunham KL, Almstead NG, De B, Natchus MG, Anastasio MV, McPhail SJ, Snider CE, Taiwo YO, Rydel T, Dunaway CM, Gu F, Mieling GE, J Med Chem 1998 Sep 10;41(19):3568-71. PMID: 9733482

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