constitutive enzyme


Also found in: Dictionary, Thesaurus, Medical.

constitutive enzyme

[′kän·stə‚tüd·iv ′en‚zīm]
(biochemistry)
An enzyme whose concentration in a cell is constant and is not influenced by substrate concentration.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.