1AIA:
reference: Structural basis for the catalytic activity of aspartate aminotransferase K258H lacking the pyridoxal 5'-phosphate-binding lysine residue., Malashkevich VN, Jager J, Ziak M, Sauder U, Gehring H, Christen P, Jansonius JN, Biochemistry 1995 Jan 17;34(2):405-14. PMID: 7819232

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