hydrolase

hydrolase

[hahy-druh-leys, -leyz]
noun Biochemistry.
an enzyme that catalyzes hydrolysis.
Also called hydrolyst [hahy-druh-list] .


Origin:
1920–25; hydr-1 + -ol1 + -ase

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Collins
World English Dictionary
hydrolase (ˈhaɪdrəˌleɪz)
 
n
an enzyme, such as an esterase, that controls hydrolysis

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

hydrolase hy·dro·lase (hī'drə-lās', -lāz')
n.
An enzyme that catalyzes the hydrolysis of a substrate through the addition of water.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Britannica
Encyclopedia

hydrolase

any one of a class of more than 200 enzymes that catalyze the hydrolysis of several types of compounds. Esterases include lipases, which break ester bonds (between a carboxylic acid and an alcohol) in lipids, and phosphatases, which act analogously upon phosphates; a narrower category comprises the nucleases, which are phosphatases that hydrolyze nucleic acids. Glycosidases sever bonds between sugar molecules in carbohydrates. Peptidases hydrolyze peptide bonds (between the carboxylic acid group of one amino acid and the amino group of another) within protein molecules (see proteolytic enzyme). Specific hydrolases also catalyze reactions that break ether (CO) bonds; carbon-nitrogen (CN) bonds other than peptide bonds; acid anhydride bonds; carbon-carbon (CC) bonds; or phosphorus-nitrogen (PN) bonds

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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