1GJD:
reference: Engineering inhibitors highly selective for the S1 sites of Ser190 trypsin-like serine protease drug targets., Katz BA, Sprengeler PA, Luong C, Verner E, Elrod K, Kirtley M, Janc J, Spencer JR, Breitenbucher JG, Hui H, McGee D, Allen D, Martelli A, Mackman RL, Chem Biol 2001 Nov;8(11):1107-21. PMID: 11731301

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