Lactate dehydrogenase, alanopine dehydrogenase and octopine dehydrogenase from the heart of Concholepas concholepas (Gastropoda: Muricidae)
作者： Nelson Carvajal , Edgardo Vega , Alejandro Erices , Daniel Bustos , Claudio Torres
DOI: 10.1016/0305-0491(94)90108-2
关键词: Pyruvate dehydrogenase phosphatase 、 Octopine 、 Branched-chain alpha-keto acid dehydrogenase complex 、 Pyruvate dehydrogenase kinase 、 Molecular biology 、 Lactate dehydrogenase 、 Biochemistry 、 Alanopine dehydrogenase 、 Pyruvate decarboxylation 、 Biology 、 Pyruvate dehydrogenase complex
摘要: Abstract Alanopine dehydrogenase, octopine dehydrogenase and lactate activities were detected in the heart of C. concholepas. As determined by gel filtration on Sephadex G-100, molecular weights (Mr) 85,000, 42,000 52,000 for alanopine respectively. Substrate inhibition opine dehydrogenases was observed at high concentrations both pyruvate corresponding amino acid (alanine or arginine). Moderate substrate observed; Km values NAD+ unusually high. Alanoonine very specific alanine glycine not a this enzyme. In addition to arginine, lysine also dehydrogenase. Possible functions reductases are discussed connection with adaptation anoxia other regulatory processes
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