You think you need may have found a new inhibitor (NI) of the HIV protease, so you performed few experiments to characterize its behavior. You found that if you add an excess of substrate to the protease in the presence of the inhibitor, enzyme activity decreased at low substrate but reached the same vmax as observed in the absence of the inhibitor. Also, the affinity of the substrate for the enzyme is decreased by the inhibitor. What class of inhibitor is NI, competitive, uncompetitive, non competitive, or mixed type?

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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You think you need may have found a new inhibitor (NI) of the HIV protease, so you performed few experiments to characterize its behavior. You found that if you add an excess of substrate to the protease in the presence of the inhibitor, enzyme activity decreased at low substrate but reached the same vmax as observed in the absence of the inhibitor. Also, the affinity of the substrate for the enzyme is decreased by the inhibitor. What class of inhibitor is NI, competitive, uncompetitive, non competitive, or mixed type?
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