1IX6:
reference: Conformational change in aspartate aminotransferase on substrate binding induces strain in the catalytic group and enhances catalysis., Hayashi H, Mizuguchi H, Miyahara I, Nakajima Y, Hirotsu K, Kagamiyama H, J Biol Chem 2003 Mar 14;278(11):9481-8. PMID: 12488449

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