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  • Title: Lack of deviation from Michaelis--Menten kinetics for pig heart fumarase.
    Author: Andersen B.
    Journal: Biochem J; 1980 Sep 01; 189(3):653-4. PubMed ID: 7213351.
    Abstract:
    Studies of steady-state kinetics of fumarase in the usual substrate-concentration range from 0.1 Km to 10 Km and in the high substrate-concentration range from 10 Km to 200 Km are described. The purpose is to investigate reports of substrate inhibition and oscillatory kinetics. In the normal substrate-concentration range, no deviations from hyperbolic kinetics were found, and in the extended concentration range, up to more than 200 times the Km value, no substrate inhibition was demonstrated. A discussion of the discrepancies between the mentioned reports of deviations from the hyperbolic kinetics and the present findings is given.
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