n.
Any of a group of enzymes that catalyze the hydrolysis of single amino acids from the end of a polypeptide chain.
exopeptidase
Dictionary:
ex·o·pep·ti·dase (ĕk'sō-pĕp'tĭ-dās', -dāz')  |
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| Food and Nutrition: exopeptidases |
Proteolytic enzymes that hydrolyse the peptide bonds of the terminal amino acids of proteins or peptides, as opposed to endopeptidases, which cleave at sites within the peptide chain. There are two groups: aminopeptidases which remove the amino acid at the amino terminal of the protein, and carboxypeptidases, which remove the amino acid at the carboxyl terminal.
| Medical Dictionary: ex·o·pep·ti·dase |
(ĕk'sō-pĕp'tĭ-dās', -dāz')
n.
n.
Any of a group of enzymes that catalyze the hydrolysis of single amino acids from the end of a polypeptide chain.
| Veterinary Dictionary: exopeptidase |
A proteolytic enzyme whose action is limited to terminal peptide linkages.
| Wikipedia: Exopeptidase |
An exopeptidase is an enzyme produced in the pancreas that catalyses the removal of an amino acid from the end of a polypeptide chain. Exopeptidase cleaves the end of a polypeptide chain. Aminopeptidase, an enzyme in the brush border of the small intestine, will cleave a single amino acid from the aminoterminal. Carboxypeptidase, which is a digestive enzyme present in pancreatic juice, will cleave a single amino acid from the carboxylic end of the peptide.
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Learn More
 | carboxypeptidase |
| aminopeptidase |
| Metalloexopeptidase |
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 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read more |
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| Food and Nutrition. A Dictionary of Food and Nutrition. Copyright © 1995, 2003, 2005 by A. E. Bender and D. A. Bender. All rights reserved. Read more |
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| Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Read more |
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| Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved. Read more |
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| Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Exopeptidase". Read more |
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