1I1L:
reference: Structures of Escherichia coli branched-chain amino acid aminotransferase and its complexes with 4-methylvalerate and 2-methylleucine: induced fit and substrate recognition of the enzyme., Okada K, Hirotsu K, Hayashi H, Kagamiyama H, Biochemistry 2001 Jun 26;40(25):7453-63. PMID: 11412098

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