| 1KDQ: reference: Three dimensional structures of S189D chymotrypsin and D189S trypsin mutants: the effect of polarity at site 189 on a protease-specific stabilization of the substrate-binding site., Szabo E, Venekei I, Bocskei Z, Naray-Szabo G, Graf L, J Mol Biol 2003 Aug 29;331(5):1121-30. PMID: 12927546 |
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