If Vmax for a reaction is 10 μM ⋅ s-1 and the KM is 0.5 μM, what is the reaction velocity when the substrate concentration is 2 μM?
If Vmax for a reaction is 10 μM ⋅ s-1 and the KM is 0.5 μM, what is the reaction velocity when the substrate concentration is 2 μM?
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
Section: Chapter Questions
Problem 1P
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If Vmax for a reaction is 10 μM ⋅ s-1 and the KM is 0.5 μM, what is the reaction velocity when the substrate concentration is 2 μM?
Expert Solution
Step 1
Enzyme reaction at different substrate concentration can be characterize by Michaelis Menten equation.
Michaelis Menten equation is
Vo = Vmax * S / (Km +S)
where, Vmax is the maximum velocity in a biochemical reactions. Km is the substrate concentration at which half of Vmax is achieved. Vo is the reaction rate at specific substrate concentration. S is the substrate concentration.
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