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  • Title: Determination of nucleoside triphosphates by use of combined reactions of hexokinase and glucose-6-phosphate dehydrogenase.
    Author: Simofuruya H, Suzuki J.
    Journal: Biochem Int; 1991 Dec; 25(6):1071-6. PubMed ID: 1810251.
    Abstract:
    ATP is known to be easily determined fluorometrically after it is utilized to produce the corresponding amount of NADPH by combined reactions of hexokinase and glucose-6-phosphate dehydrogenase. We studied further whether nucleoside triphosphates other than ATP can be also determined in a similar manner if they were incubated for a longer period with an increased amount of hexokinase. It was shown that CTP, GTP, ITP, and UTP can be utilized to produce the corresponding amount of NADPH after an incubation of at least 60 min and that 0 to 50 nmols of these nucleotides were able to be determined fluorometrically.
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