Related Experiment Video
Updated: Jun 5, 2026

Unraveling Entropic Rate Acceleration Induced by Solvent Dynamics in Membrane Enzymes
Published on: January 16, 2016
Explicit analytic approximations for time-dependent solutions of the generalized integrated Michaelis-Menten equation
1Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia. marko.golicnik@mf.uni-lj.si
This study introduces a simplified, generalized integrated Michaelis-Menten equation. It offers a practical method for calculating enzyme reaction kinetics, especially for product-inhibited reactions.
Area of Science:
- Biochemistry
- Chemical Kinetics
- Enzyme Kinetics
Background:
- The Michaelis-Menten model describes enzyme kinetics.
- Existing models may not fully capture complex reactions, like those affected by product inhibition.
Purpose of the Study:
- To present a generalized integrated form of the Michaelis-Menten equation.
- To provide a simpler computational method for enzyme-catalyzed reactions, particularly those influenced by product accumulation.
Main Methods:
- Derivation of explicit, time-dependent solutions for a generalized Michaelis-Menten model.
- Application of the derived equations for computing substrate and product concentrations over time.
Main Results:
- A novel, explicit generalized integrated Michaelis-Menten equation is presented.
- The new equation simplifies the computation of kinetic parameters for product-inhibited reactions.
Conclusions:
- The derived equations offer a user-friendly alternative to exact solutions for fitting time-course data.
- This approach enhances the analysis of real-world enzyme-catalyzed reactions affected by product inhibition.
Related Concept Videos
Nonlinear Pharmacokinetics: Michaelis-Menten Equation
Vmax represents the maximum achievable process rate, while KM, known as the Michaelis constant, signifies the drug concentration at which the process rate reaches half its maximum. This relationship between Vmax, KM, and Cp gives rise to three distinct...
Reaction Mechanisms: The Steady-State Approximation
Approximate Integration
Introduction to Enzyme Kinetics
The experimenter can then plot the initial reaction rate or velocity (Vo) of a given trial against the substrate concentration ([S]) to obtain a graph of the reaction properties. For many enzymatic reactions involving a...
Determination of Michaelis Constant and Maximum Elimination Rate
These parameters can be estimated by analyzing plasma concentration data post-drug administration. A notable example of this application is phenytoin, a drug with capacity-limited kinetics. It's recommended that phenytoin should be administered at two...
The Integrated Rate Law: The Dependence of Concentration on Time

