1QGF: Porcine Pancreatic Elastase Complexed With (3r, 4s)N-Para- Toluenesulphonyl-3-Ethyl-4-(Carboxylic Acid)Pyrrolidin-2-On
reference: Mechanistic insights into the inhibition of serine proteases by monocyclic lactams., Wilmouth RC, Kassamally S, Westwood NJ, Sheppard RJ, Claridge TD, Aplin RT, Wright PA, Pritchard GJ, Schofield CJ, Biochemistry 1999 Jun 22;38(25):7989-98. PMID: 10387042

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