1BHN:
reference: The three-dimensional structures of two isoforms of nucleoside diphosphate kinase from bovine retina., Ladner JE, Abdulaev NG, Kakuev DL, Tordova M, Ridge KD, Gilliland GL, Acta Crystallogr D Biol Crystallogr 1999 Jun;55 ( Pt 6):1127-35. PMID: 10329774

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