Maximum Rate in presence of Noncompetitive Inhibitor Solution

STEP 0: Pre-Calculation Summary
Formula Used
Maximum Rate = (Apparent Maximum Rate*(1+(Inhibitor Concentration/Enzyme Inhibitor Dissociation Constant)))
Vmax = (Vmaxapp*(1+(I/Ki)))
This formula uses 4 Variables
Variables Used
Maximum Rate - (Measured in Mole per Cubic Meter Second) - The Maximum Rate is defined as the maximum speed achieved by the system at saturated substrate concentration.
Apparent Maximum Rate - (Measured in Mole per Cubic Meter Second) - Apparent Maximum Rate is defined as the maximum speed achieved by the system at saturated substrate concentration in presence of non-competitive inhibitor.
Inhibitor Concentration - (Measured in Mole per Cubic Meter) - The Inhibitor concentration is defined as the number of moles of inhibitor present per liter of solution of the system.
Enzyme Inhibitor Dissociation Constant - (Measured in Mole per Cubic Meter) - The Enzyme Inhibitor Dissociation Constant is measured by the method in which the inhibitor is titrated into a solution of enzyme and the heat released or absorbed is measured.
STEP 1: Convert Input(s) to Base Unit
Apparent Maximum Rate: 21 Mole per Liter Second --> 21000 Mole per Cubic Meter Second (Check conversion ​here)
Inhibitor Concentration: 9 Mole per Liter --> 9000 Mole per Cubic Meter (Check conversion ​here)
Enzyme Inhibitor Dissociation Constant: 19 Mole per Liter --> 19000 Mole per Cubic Meter (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Vmax = (Vmaxapp*(1+(I/Ki))) --> (21000*(1+(9000/19000)))
Evaluating ... ...
Vmax = 30947.3684210526
STEP 3: Convert Result to Output's Unit
30947.3684210526 Mole per Cubic Meter Second -->30.9473684210526 Mole per Liter Second (Check conversion ​here)
FINAL ANSWER
30.9473684210526 30.94737 Mole per Liter Second <-- Maximum Rate
(Calculation completed in 00.020 seconds)

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K J Somaiya College of science (K J Somaiya), Mumbai
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Noncompetitive Inhibitor Calculators

Apparent Initial Enzyme Concentration in Presence of Noncompetitive Inhibitor
​ LaTeX ​ Go Apparent Initial Enzyme Concentration = (Initial Enzyme Concentration/(1+(Inhibitor Concentration/Enzyme Inhibitor Dissociation Constant)))
Dissociation Constant given Apparent Initial Enzyme Concentration
​ LaTeX ​ Go Enzyme Inhibitor Dissociation Constant = (Inhibitor Concentration/((Initial Enzyme Concentration/Apparent Initial Enzyme Concentration)-1))
Apparent Michaelis Menten constant given Inhibitor's Dissociation Constant
​ LaTeX ​ Go Apparent Michaelis Constant = Michaelis Constant*(1+(Inhibitor Concentration/Enzyme Inhibitor Dissociation Constant))
Apparent Maximum Rate in presence of Noncompetitive Inhibitor
​ LaTeX ​ Go Apparent Maximum Rate = (Maximum Rate/(1+(Inhibitor Concentration/Enzyme Inhibitor Dissociation Constant)))

Important Formulas on Enzyme Kinetics Calculators

Initial Reaction Rate given Dissociation Rate Constant
​ LaTeX ​ Go Initial Reaction Rate given DRC = (Maximum Rate*Substrate Concentration)/(Dissociation Rate Constant+Substrate Concentration)
Maximum Rate given Dissociation Rate Constant
​ LaTeX ​ Go Maximum Rate given DRC = (Initial Reaction Rate*(Dissociation Rate Constant+Substrate Concentration))/Substrate Concentration
Modifying Factor of Enzyme Substrate Complex
​ LaTeX ​ Go Enzyme Substrate Modifying Factor = 1+(Inhibitor Concentration/Enzyme Substrate Dissociation Constant)
Initial Rate of System given Rate Constant and Enzyme Substrate Complex Concentration
​ LaTeX ​ Go Initial Reaction Rate given RC = Final Rate Constant*Enzyme Substrate Complex Concentration

Maximum Rate in presence of Noncompetitive Inhibitor Formula

​LaTeX ​Go
Maximum Rate = (Apparent Maximum Rate*(1+(Inhibitor Concentration/Enzyme Inhibitor Dissociation Constant)))
Vmax = (Vmaxapp*(1+(I/Ki)))

What is Non-competitive inhibition?

Non-competitive inhibition is a type of enzyme inhibition where the inhibitor reduces the activity of the enzyme and binds equally well to the enzyme whether or not it has already bound the substrate. In the presence of a non-competitive inhibitor, the apparent enzyme affinity is equivalent to the actual affinity because the inhibitor binds to both the enzyme and the enzyme-substrate complex equally so that the equilibrium is maintained. However, since some enzyme is always inhibited from converting the substrate to product, the effective enzyme concentration is lowered.

How to Calculate Maximum Rate in presence of Noncompetitive Inhibitor?

Maximum Rate in presence of Noncompetitive Inhibitor calculator uses Maximum Rate = (Apparent Maximum Rate*(1+(Inhibitor Concentration/Enzyme Inhibitor Dissociation Constant))) to calculate the Maximum Rate, The Maximum rate in presence of noncompetitive inhibitor formula is defined as relation with the apparent maximum rate of the system, inhibitor concentration and with dissociation constant. Maximum Rate is denoted by Vmax symbol.

How to calculate Maximum Rate in presence of Noncompetitive Inhibitor using this online calculator? To use this online calculator for Maximum Rate in presence of Noncompetitive Inhibitor, enter Apparent Maximum Rate (Vmaxapp), Inhibitor Concentration (I) & Enzyme Inhibitor Dissociation Constant (Ki) and hit the calculate button. Here is how the Maximum Rate in presence of Noncompetitive Inhibitor calculation can be explained with given input values -> 0.030947 = (21000*(1+(9000/19000))).

FAQ

What is Maximum Rate in presence of Noncompetitive Inhibitor?
The Maximum rate in presence of noncompetitive inhibitor formula is defined as relation with the apparent maximum rate of the system, inhibitor concentration and with dissociation constant and is represented as Vmax = (Vmaxapp*(1+(I/Ki))) or Maximum Rate = (Apparent Maximum Rate*(1+(Inhibitor Concentration/Enzyme Inhibitor Dissociation Constant))). Apparent Maximum Rate is defined as the maximum speed achieved by the system at saturated substrate concentration in presence of non-competitive inhibitor, The Inhibitor concentration is defined as the number of moles of inhibitor present per liter of solution of the system & The Enzyme Inhibitor Dissociation Constant is measured by the method in which the inhibitor is titrated into a solution of enzyme and the heat released or absorbed is measured.
How to calculate Maximum Rate in presence of Noncompetitive Inhibitor?
The Maximum rate in presence of noncompetitive inhibitor formula is defined as relation with the apparent maximum rate of the system, inhibitor concentration and with dissociation constant is calculated using Maximum Rate = (Apparent Maximum Rate*(1+(Inhibitor Concentration/Enzyme Inhibitor Dissociation Constant))). To calculate Maximum Rate in presence of Noncompetitive Inhibitor, you need Apparent Maximum Rate (Vmaxapp), Inhibitor Concentration (I) & Enzyme Inhibitor Dissociation Constant (Ki). With our tool, you need to enter the respective value for Apparent Maximum Rate, Inhibitor Concentration & Enzyme Inhibitor Dissociation Constant and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Maximum Rate?
In this formula, Maximum Rate uses Apparent Maximum Rate, Inhibitor Concentration & Enzyme Inhibitor Dissociation Constant. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Maximum Rate = Catalytic Rate Constant*Initial Enzyme Concentration
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