For an enzyme-catalyzed reaction, the presence of 5 nM of a reversible inhibitor yields a V max

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For an enzyme-catalyzed reaction, the presence of 5 nM of a reversible inhibitor yields a Vmax value that is 80% of the value in the absence of the inhibitor. The KM value is unchanged.

(a) What type of inhibition is likely occurring?

(b) What proportion of the enzyme molecules have bound inhibitor?

(c) Calculate the inhibition constant.

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Fundamentals Of Biochemistry Life At The Molecular Level

ISBN: 9781118918401

5th Edition

Authors: Donald Voet, Judith G Voet, Charlotte W Pratt

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