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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. Check FAQs
Ki=(I(VmaxVmaxapp)-1)
Ki - Enzyme Inhibitor Dissociation Constant?I - Inhibitor Concentration?Vmax - Maximum Rate?Vmaxapp - Apparent Maximum Rate?

Dissociation Constant in presence of Noncompetitive Inhibitor Example

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With units
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Here is how the Dissociation Constant in presence of Noncompetitive Inhibitor equation looks like with Values.

Here is how the Dissociation Constant in presence of Noncompetitive Inhibitor equation looks like with Units.

Here is how the Dissociation Constant in presence of Noncompetitive Inhibitor equation looks like.

9.9474Edit=(9Edit(40Edit21Edit)-1)
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Dissociation Constant in presence of Noncompetitive Inhibitor Solution

Follow our step by step solution on how to calculate Dissociation Constant in presence of Noncompetitive Inhibitor?

FIRST Step Consider the formula
Ki=(I(VmaxVmaxapp)-1)
Next Step Substitute values of Variables
Ki=(9mol/L(40mol/L*s21mol/L*s)-1)
Next Step Convert Units
Ki=(9000mol/m³(40000mol/m³*s21000mol/m³*s)-1)
Next Step Prepare to Evaluate
Ki=(9000(4000021000)-1)
Next Step Evaluate
Ki=9947.36842105263mol/m³
Next Step Convert to Output's Unit
Ki=9.94736842105263mol/L
LAST Step Rounding Answer
Ki=9.9474mol/L

Dissociation Constant in presence of Noncompetitive Inhibitor Formula Elements

Variables
Enzyme Inhibitor Dissociation Constant
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.
Symbol: Ki
Measurement: Molar ConcentrationUnit: mol/L
Note: Value can be positive or negative.
Inhibitor Concentration
The Inhibitor concentration is defined as the number of moles of inhibitor present per liter of solution of the system.
Symbol: I
Measurement: Molar ConcentrationUnit: mol/L
Note: Value can be positive or negative.
Maximum Rate
The Maximum Rate is defined as the maximum speed achieved by the system at saturated substrate concentration.
Symbol: Vmax
Measurement: Reaction RateUnit: mol/L*s
Note: Value can be positive or negative.
Apparent Maximum Rate
Apparent Maximum Rate is defined as the maximum speed achieved by the system at saturated substrate concentration in presence of non-competitive inhibitor.
Symbol: Vmaxapp
Measurement: Reaction RateUnit: mol/L*s
Note: Value can be positive or negative.

Other Formulas to find Enzyme Inhibitor Dissociation Constant

​Go Dissociation Constant given Apparent Initial Enzyme Concentration
Ki=(I([E0]E0app)-1)
​Go Dissociation Constant given Enzyme Substrate Complex Concentration
Ki=I(([E0]SES)-SKM)-1

Other formulas in Noncompetitive Inhibitor category

​Go Apparent Initial Enzyme Concentration in Presence of Noncompetitive Inhibitor
E0app=([E0]1+(IKi))
​Go Apparent Maximum Rate in presence of Noncompetitive Inhibitor
Vmaxapp=(Vmax1+(IKi))
​Go Apparent Michaelis Menten constant given Inhibitor's Dissociation Constant
Kmapp=KM(1+(IKi))
​Go Maximum Rate in presence of Noncompetitive Inhibitor
Vmax=(Vmaxapp(1+(IKi)))

How to Evaluate Dissociation Constant in presence of Noncompetitive Inhibitor?

Dissociation Constant in presence of Noncompetitive Inhibitor evaluator uses Enzyme Inhibitor Dissociation Constant = (Inhibitor Concentration/((Maximum Rate/Apparent Maximum Rate)-1)) to evaluate the Enzyme Inhibitor Dissociation Constant, The Dissociation constant in presence of noncompetitive inhibitor formula is defined as a relation with the apparent maximum rate of the system, inhibitor concentration, and maximum rate of the system. Enzyme Inhibitor Dissociation Constant is denoted by Ki symbol.

How to evaluate Dissociation Constant in presence of Noncompetitive Inhibitor using this online evaluator? To use this online evaluator for Dissociation Constant in presence of Noncompetitive Inhibitor, enter Inhibitor Concentration (I), Maximum Rate (Vmax) & Apparent Maximum Rate (Vmaxapp) and hit the calculate button.

FAQs on Dissociation Constant in presence of Noncompetitive Inhibitor

What is the formula to find Dissociation Constant in presence of Noncompetitive Inhibitor?
The formula of Dissociation Constant in presence of Noncompetitive Inhibitor is expressed as Enzyme Inhibitor Dissociation Constant = (Inhibitor Concentration/((Maximum Rate/Apparent Maximum Rate)-1)). Here is an example- 0.009947 = (9000/((40000/21000)-1)).
How to calculate Dissociation Constant in presence of Noncompetitive Inhibitor?
With Inhibitor Concentration (I), Maximum Rate (Vmax) & Apparent Maximum Rate (Vmaxapp) we can find Dissociation Constant in presence of Noncompetitive Inhibitor using the formula - Enzyme Inhibitor Dissociation Constant = (Inhibitor Concentration/((Maximum Rate/Apparent Maximum Rate)-1)).
What are the other ways to Calculate Enzyme Inhibitor Dissociation Constant?
Here are the different ways to Calculate Enzyme Inhibitor Dissociation Constant-
  • Enzyme Inhibitor Dissociation Constant=(Inhibitor Concentration/((Initial Enzyme Concentration/Apparent Initial Enzyme Concentration)-1))OpenImg
  • Enzyme Inhibitor Dissociation Constant=Inhibitor Concentration/(((((Initial Enzyme Concentration*Substrate Concentration)/Enzyme Substrate Complex Concentration)-Substrate Concentration)/Michaelis Constant)-1)OpenImg
Can the Dissociation Constant in presence of Noncompetitive Inhibitor be negative?
Yes, the Dissociation Constant in presence of Noncompetitive Inhibitor, measured in Molar Concentration can be negative.
Which unit is used to measure Dissociation Constant in presence of Noncompetitive Inhibitor?
Dissociation Constant in presence of Noncompetitive Inhibitor is usually measured using the Mole per Liter[mol/L] for Molar Concentration. Mole per Cubic Meter[mol/L], Mole per Cubic Millimeter[mol/L], Kilomole per Cubic Meter[mol/L] are the few other units in which Dissociation Constant in presence of Noncompetitive Inhibitor can be measured.
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