1JJ9:
reference: The 1.8-A crystal structure of a matrix metalloproteinase 8-barbiturate inhibitor complex reveals a previously unobserved mechanism for collagenase substrate recognition., Brandstetter H, Grams F, Glitz D, Lang A, Huber R, Bode W, Krell HW, Engh RA, J Biol Chem 2001 May 18;276(20):17405-12. PMID: 11278347

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