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Definition: 'Competitive Inhibition'

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competitive inhibition

Type: Term

Definitions:
1. blocking of the action of an enzyme by a compound that binds to the free enzyme, preventing the substrate from binding and thus preventing the enzyme from acting on that substrate. The competitive inhibitor is often a substrate analogue and binds at the active site; however, this is not an absolute requirement for competitive inhibition. Saturating concentrations of substrate can remove the inhibition.

Synonyms: selective inhibition



The information shown above for competitive inhibition is provided by Stedman's.

* Stedman's, part of Lippincott Williams & Wilkins, provide a comprehensive line of health-science publications for healthcare professionals and medical students.

Medical Dictionary Copyright © 2006 Lippincott Williams & Wilkins. All rights reserved.








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