3QN7:
reference: Bicyclic peptide inhibitor reveals large contact interface with a protease target., Angelini A, Cendron L, Chen S, Touati J, Winter G, Zanotti G, Heinis C, ACS Chem Biol. 2012 May 18;7(5):817-21. doi: 10.1021/cb200478t. Epub 2012 Feb 15. PMID: 22304751

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