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Forward Rate Constant given Michaelis Constant Formula

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The Forward Rate Constant is defined as the rate constant for the forward occurring reaction. Check FAQs

k f = \frac{k r + k cat}{K M}

k_f - Forward Rate Constant?k_r - Reverse Rate Constant?k_cat - Catalytic Rate Constant?K_M - Michaelis Constant?

Forward Rate Constant given Michaelis Constant Example

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Here is how the Forward Rate Constant given Michaelis Constant equation looks like with Values.

Here is how the Forward Rate Constant given Michaelis Constant equation looks like with Units.

Here is how the Forward Rate Constant given Michaelis Constant equation looks like.

6.6669 = \frac{20 + 0.65}{3}

6.6669s⁻¹ = \frac{20mol/L*s + 0.65s⁻¹}{3mol/L}

6.6669 = \frac{20 + 0.65}{3}

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Forward Rate Constant given Michaelis Constant Solution

Follow our step by step solution on how to calculate Forward Rate Constant given Michaelis Constant?

FIRST Step Consider the formula

k f = \frac{k r + k cat}{K M}

Next Step Substitute values of Variables

∴

k f = \frac{20mol/L*s + 0.65s⁻¹}{3mol/L}

Next Step Convert Units

∴

k f = \frac{20000mol/m³*s + 0.65s⁻¹}{3000mol/m³}

Next Step Prepare to Evaluate

∴

k f = \frac{20000 + 0.65}{3000}

Next Step Evaluate

∴

k f = 6.66688333333333s⁻¹

LAST Step Rounding Answer

∴

k f = 6.6669s⁻¹

Forward Rate Constant given Michaelis Constant Formula Elements

Variables

Forward Rate Constant

The Forward Rate Constant is defined as the rate constant for the forward occurring reaction.

Symbol: k_f

Measurement: First Order Reaction Rate ConstantUnit: s⁻¹

Note: Value can be positive or negative.

Formulas to find Forward Rate Constant

Reverse Rate Constant

The Reverse Rate Constant is defined as the rate constant for the backward reaction.

Symbol: k_r

Measurement: Reaction RateUnit: mol/L*s

Note: Value can be positive or negative.

Formulas to find Reverse Rate Constant

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: k_cat

Measurement: First Order Reaction Rate ConstantUnit: s⁻¹

Note: Value can be positive or negative.

Formulas to find Catalytic Rate Constant

Michaelis Constant

The Michaelis Constant is numerically equal to the substrate concentration at which the reaction rate is half of the maximum rate of the system.

Symbol: K_M

Measurement: Molar ConcentrationUnit: mol/L

Note: Value can be positive or negative.

Formulas to find Michaelis Constant

Other formulas in Michaelis Menten Kinetics Equation category

Go Maximum Rate of System from Michaelis Menten Kinetics equation

V max = \frac{V 0 \cdot (K M + S)}{S}

Go Substrate Concentration from Michaelis Menten Kinetics Equation

S = \frac{K M \cdot V 0}{V max - V 0}

Go Michaelis Constant from Michaelis Menten kinetics equation

K M = S \cdot (\frac{V max - V 0}{V 0})

Go Michaelis Constant given Catalytic Rate Constant and Initial Enzyme Concentration

K M = \frac{S \cdot ((k cat \cdot [E 0]) - V 0)}{V 0}

How to Evaluate Forward Rate Constant given Michaelis Constant?

Forward Rate Constant given Michaelis Constant evaluator uses Forward Rate Constant = (Reverse Rate Constant+Catalytic Rate Constant)/Michaelis Constant to evaluate the Forward Rate Constant, The Forward Rate Constant given Michaelis Constant formula is defined as the ratio of addition of rate constant of reverse reaction and rate constant of reaction from intermediate to product to the Michaelis constant of the reaction. Forward Rate Constant is denoted by k_f symbol.

How to evaluate Forward Rate Constant given Michaelis Constant using this online evaluator? To use this online evaluator for Forward Rate Constant given Michaelis Constant, enter Reverse Rate Constant (k_r), Catalytic Rate Constant (k_cat) & Michaelis Constant (K_M) and hit the calculate button.

FAQs on Forward Rate Constant given Michaelis Constant

What is the formula to find Forward Rate Constant given Michaelis Constant?

The formula of Forward Rate Constant given Michaelis Constant is expressed as Forward Rate Constant = (Reverse Rate Constant+Catalytic Rate Constant)/Michaelis Constant. Here is an example- 6.666883 = (20000+0.65)/3000.

How to calculate Forward Rate Constant given Michaelis Constant?

With Reverse Rate Constant (k_r), Catalytic Rate Constant (k_cat) & Michaelis Constant (K_M) we can find Forward Rate Constant given Michaelis Constant using the formula - Forward Rate Constant = (Reverse Rate Constant+Catalytic Rate Constant)/Michaelis Constant.

Can the Forward Rate Constant given Michaelis Constant be negative?

Yes, the Forward Rate Constant given Michaelis Constant, measured in First Order Reaction Rate Constant can be negative.

Which unit is used to measure Forward Rate Constant given Michaelis Constant?

Forward Rate Constant given Michaelis Constant is usually measured using the 1 Per Second[s⁻¹] for First Order Reaction Rate Constant. 1 Per Millisecond[s⁻¹], 1 Per Day[s⁻¹], 1 Per Hour[s⁻¹] are the few other units in which Forward Rate Constant given Michaelis Constant can be measured.

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Forward Rate Constant given Michaelis Constant Formula

Forward Rate Constant given Michaelis Constant Example

Forward Rate Constant given Michaelis Constant Solution

Forward Rate Constant given Michaelis Constant Formula Elements

Other formulas in Michaelis Menten Kinetics Equation category

How to Evaluate Forward Rate Constant given Michaelis Constant?

FAQs on Forward Rate Constant given Michaelis Constant

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