STUDIES ON TAKA-MALTASE:III. INHIBITION OF TAKA-MALTASE I BY CARBOHYDRATES

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Inhibition of Taka-maltase I by carbohydrates was studied, and Michaelis' constants and maximum velocity of the enzymatic action on maltose and α-phenyl-D-glucoside were obtained.<br> Sucrose, raffinose, D-xylose, trehalose and D-glucose were competitive inhibitor, while cellobiose, lactose, D-mannose, D-galactose, rhamnose, mannitol, sorbitol and inositol did not inhibit the enzymatic action. And the affinity of Taka-maltase I for substrates was discussed.<br> The authors wish to express their gratitudes to the Sankyo Go., Ltd. for their kind supply of "Takadiastase Sankyo".

Journal

  • J Biochem (Tokyo)

    J Biochem (Tokyo) 48 (2), 199-204, 1960

    The Japanese Biochemical Society

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