1CSE:
reference: The high-resolution X-ray crystal structure of the complex formed between subtilisin Carlsberg and eglin c, an elastase inhibitor from the leech Hirudo medicinalis. Structural analysis, subtilisin structure and interface geometry., Bode W, Papamokos E, Musil D, Eur J Biochem 1987 Aug 3;166(3):673-92. PMID: 3301348

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