BIOCHEMISTRY - Textbook - Ostapchenko L. I. - 2012

Chapter 7. ENZYMOLOGY

7.6.Inhibition of Enzymatic Activity

Enzyme Inhibition refers to the decrease in catalytic activity in the presence of specific substances known as inhibitors. Inhibitors are defined as agents that cause a reduction in enzyme activity. It should be noted that while all Denaturing Agents also decrease The rate of any enzymatic reaction due to the nonspecific Denaturation of the protein molecule, they are not classified as inhibitors.

Inhibitors are of great interest in studying the Mechanisms of Enzymatic Catalysis and help determine The Role of individual Enzymes in the body's metabolic pathways. The action of many medications and poisons is based on the inhibition of enzyme activity; therefore, understanding the mechanisms of this process is crucial for molecular pharmacology and toxicology. Inhibitors interact with enzymes with varying degrees of affinity. Based on this, inhibition is classified as either reversible or irreversible. According to their MECHANISM OF ACTION, inhibitors are subdivided into competitive and noncompetitive.



Last update: 06/08/2026

Editorial and Educational Adaptation: This material has been compiled based on the primary/original source text. The project team performed an editorial review, corrected technical inaccuracies, structured sections, and adapted the content for an educational format.

What was processed:

  • elimination of formatting defects (OCR errors, structural breaks, corrupted characters);
  • editorial organization of content;
  • standardization of terminology in accordance with academic sources;
  • verification of factual statements against the original source text.

All mentions of the author, publication year, and origin of the primary text have been preserved in accordance with the source.