Biochemistry · Enzymes and Clinical Enzymology

Enzyme inhibition: competitive, noncompetitive and other forms

4 min read

Quick Orientation

Section

Definition

Objective
Understand the core idea
Keywords
Enzyme inhibitor, reversible, irreversible

Reversible Inhibition

Objective
Learn the main facts and relationships
Keywords
non-covalently, substrate concentration, Succinate dehydrogenase (SDH)

Irreversible Inhibition

Objective
Learn the main facts and relationships
Keywords
covalently, irreversibly, Iodoacetate

Suicide Inhibition

Objective
Learn the main facts and relationships
Keywords
same enzyme, irreversibly, Allopurinol

Allosteric Inhibition

Objective
Learn the main facts and relationships
Keywords
allosteric regulation

Clinical Correlation

Objective
Connect the mechanism to clinical findings
Keywords
Methanol poisoning, alcohol dehydrogenase (ADH), ethanol

Definition

Enzyme inhibitor: a substance (organic or inorganic) that binds an enzyme and decreases its catalytic activity.