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  • Title: Kinetic regulation of hexokinase activity in a heterogeneous branched bienzyme system.
    Author: Mukherjee A, Mukherjea RN.
    Journal: Biochim Biophys Acta; 1988 Apr 28; 954(1):126-36. PubMed ID: 3358935.
    Abstract:
    The kinetic behaviour of a heterogeneous branched bienzyme system of beta-D-glucose oxidase and hexokinase on glucose has been studied. In this sequence, hexokinase is inhibited by its product glucose 6-phosphate and also by D-gluconic acid produced from the parallel enzymic reaction of glucose oxidase. Effect of glucose concentrations on the product's distribution in branched pathway of the bienzyme system is dependent on the kinetic properties of hexokinase and glucose oxidase. Product inhibitions, which are also pH dependent, have a strong regulatory role on the reaction flux.
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