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Title
| - Synthetic Utility of Yeast Hexokinase. Substrate Specificity,Cofactor Regeneration, and Product Isolation
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Abstract
| - Yeast hexokinase (EC 2.7.1.1) catalyzes the phosphorylation ofpyranose and furanose analogs ofglucose at 0.01−125% of the rate of glucose. The enzyme ishighly tolerant of structural changesat C-2 and C-3 of glucopyranose and less tolerant of changes at C-1 andC-4. Preparativephosphorylations were performed on compounds having 0.01−100% of theactivity of glucose, usingphosphoenolpyruvate and pyruvate kinase to regenerate ATP. Theeffects of inhibition of hexokinaseby phosphoenolpyruvate and acetyl phosphate on cofactor regenerationare discussed.
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