begin mathsize 36px style v equals fraction numerator v subscript m a x end subscript left square bracket S right square bracket over denominator left square bracket S right square bracket space plus space K subscript m end fraction end style

v= Reaction Rate ; vmax =Maximum Rate ; [S] = Substrate Concentration ; Km = Michaelis Constant

v

vmax

[S]

Km

 
Michaelis menten equation is used for determining rates of enzyme controlled reactions. In the Michaelis-Menten equation v denotes the rate of the reaction, vmax denotes the maximum rate that was achieved by the system, [S] denotes the Substrate concentration and Km denotes the Michaelis Constant. The Michaelis constant (Km) is equal to the substrate concentration at which the reaction rate is half of vmax . It is often assumed that a biochemical reaction involving a single substrate would obey this equation. The Michaelis Menten equation can be derived using the steady state approximation. 

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