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The Initial Enzyme Concentration is defined as the concentration of enzyme at the start of the reaction. Check FAQs
[E0]=V0(KD+S)kcatS
[E0] - Initial Enzyme Concentration?V0 - Initial Reaction Rate?KD - Dissociation Rate Constant?S - Substrate Concentration?kcat - Catalytic Rate Constant?

Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants Example

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Here is how the Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants equation looks like with Values.

Here is how the Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants equation looks like with Units.

Here is how the Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants equation looks like.

3.3231Edit=0.45Edit(5.7Edit+1.5Edit)0.65Edit1.5Edit
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Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants Solution

Follow our step by step solution on how to calculate Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants?

FIRST Step Consider the formula
[E0]=V0(KD+S)kcatS
Next Step Substitute values of Variables
[E0]=0.45mol/L*s(5.7mol/L+1.5mol/L)0.65s⁻¹1.5mol/L
Next Step Convert Units
[E0]=450mol/m³*s(5700mol/m³+1500mol/m³)0.65s⁻¹1500mol/m³
Next Step Prepare to Evaluate
[E0]=450(5700+1500)0.651500
Next Step Evaluate
[E0]=3323.07692307692mol/m³
Next Step Convert to Output's Unit
[E0]=3.32307692307692mol/L
LAST Step Rounding Answer
[E0]=3.3231mol/L

Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants Formula Elements

Variables
Initial Enzyme Concentration
The Initial Enzyme Concentration is defined as the concentration of enzyme at the start of the reaction.
Symbol: [E0]
Measurement: Molar ConcentrationUnit: mol/L
Note: Value should be greater than 0.
Initial Reaction Rate
The Initial Reaction Rate is defined as the initial speed at which a chemical reaction takes place.
Symbol: V0
Measurement: Reaction RateUnit: mol/L*s
Note: Value can be positive or negative.
Dissociation Rate Constant
The Dissociation Rate Constant is the ratio of reverse and forward rate constant.
Symbol: KD
Measurement: Molar ConcentrationUnit: mol/L
Note: Value can be positive or negative.
Substrate Concentration
The Substrate Concentration is the number of moles of substrate per liter solution.
Symbol: S
Measurement: Molar ConcentrationUnit: mol/L
Note: Value can be positive or negative.
Catalytic Rate Constant
The Catalytic Rate Constant is defined as the rate constant for conversion of the enzyme-substrate complex to enzyme and product.
Symbol: kcat
Measurement: First Order Reaction Rate ConstantUnit: s⁻¹
Note: Value can be positive or negative.

Other Formulas to find Initial Enzyme Concentration

​Go Initial Enzyme Concentration at Low Substrate Concentration
[E0]=V0KMkcatS
​Go Initial Enzyme Concentration in Enzymatic Reaction Mechanism
[E0]=(krESkfS)+ES
​Go Initial Enzyme Concentration given Rate Constant and Maximum Rate
[E0]=Vmaxk2

Other formulas in Complex Concentration category

​Go Substrate Concentration given Catalytic Rate Constant and Initial Enzyme Concentration
So=KMV0(kcat[E0])-V0
​Go Substrate Concentration if Michaelis Constant is very Large than Substrate Concentration
S=V0KMkcat[E0]
​Go Substrate Concentration given Maximum Rate at Low Concentration
S=V0KMVmax
​Go Enzyme Substrate Complex Concentration in Instantaneous Chemical Equilibrium
ES=kf[E0]Skr+(kfS)

How to Evaluate Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants?

Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants evaluator uses Initial Enzyme Concentration = (Initial Reaction Rate*(Dissociation Rate Constant+Substrate Concentration))/(Catalytic Rate Constant*Substrate Concentration) to evaluate the Initial Enzyme Concentration, The Initial enzyme concentration given catalytic rate constant and dissociation rate constants formula is defined as the relation with initial and dissociation rate constants and with the substrate concentration. Initial Enzyme Concentration is denoted by [E0] symbol.

How to evaluate Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants using this online evaluator? To use this online evaluator for Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants, enter Initial Reaction Rate (V0), Dissociation Rate Constant (KD), Substrate Concentration (S) & Catalytic Rate Constant (kcat) and hit the calculate button.

FAQs on Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants

What is the formula to find Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants?
The formula of Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants is expressed as Initial Enzyme Concentration = (Initial Reaction Rate*(Dissociation Rate Constant+Substrate Concentration))/(Catalytic Rate Constant*Substrate Concentration). Here is an example- 0.003323 = (450*(5700+1500))/(0.65*1500).
How to calculate Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants?
With Initial Reaction Rate (V0), Dissociation Rate Constant (KD), Substrate Concentration (S) & Catalytic Rate Constant (kcat) we can find Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants using the formula - Initial Enzyme Concentration = (Initial Reaction Rate*(Dissociation Rate Constant+Substrate Concentration))/(Catalytic Rate Constant*Substrate Concentration).
What are the other ways to Calculate Initial Enzyme Concentration?
Here are the different ways to Calculate Initial Enzyme Concentration-
  • Initial Enzyme Concentration=(Initial Reaction Rate*Michaelis Constant)/(Catalytic Rate Constant*Substrate Concentration)OpenImg
  • Initial Enzyme Concentration=((Reverse Rate Constant*Enzyme Substrate Complex Concentration)/(Forward Rate Constant*Substrate Concentration))+Enzyme Substrate Complex ConcentrationOpenImg
  • Initial Enzyme Concentration=Maximum Rate/Final Rate ConstantOpenImg
Can the Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants be negative?
No, the Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants, measured in Molar Concentration cannot be negative.
Which unit is used to measure Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants?
Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants 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 Initial Enzyme Concentration given Catalytic Rate Constant and Dissociation Rate Constants can be measured.
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