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Overview

acetyl coenzyme A

(ass-i-tyl-koh-en-zym)

a compound formed by the combination of an acetate molecule with coenzyme A. Acetylcoenzyme A has an important role in the Krebs cycle.

acetyl coenzyme A

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A Dictionary of Zoology (5 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Science and technology, Life Sciences
Length:
24 words

... coenzyme A ( acetyl Co A ) An important intermediate in the citric-acid cycle , and in fatty-acid and amino-acid metabolism ....

acetyl coenzyme A

acetyl coenzyme A   Quick reference

A Dictionary of Chemistry (8 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Science and technology, Chemistry
Length:
67 words

... coenzyme A ( acetyl CoA ) A compound formed in the mitochondria when an acetyl group (CH 3 CO–), derived from the breakdown of fats, proteins, or carbohydrates (via glycolysis ), combines with the thiol group (–SH) of coenzyme A . Acetyl CoA feeds into the energy generating Kreb ’s cycle and also plays a role in the synthesis and oxidation of fatty...

acetyl coenzyme A

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The Oxford Dictionary of Sports Science & Medicine (3 ed.)

Reference type:
Subject Reference
Current Version:
2007

... coenzyme A ( acetyl CoA ) An important intermediate in the aerobic metabolism of carbohydrates, fats, and proteins. When oxygen is available, pyruvic acid (formed from glucose during glycolysis), fatty acids (from lipids), and amino acids (from proteins) form acetyl coenzyme A, which acts as the common entry point into the Krebs cycle in a mitochondrion...

acetyl coenzyme A

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A Dictionary of Biology (8 ed.)

Reference type:
Subject Reference
Current Version:
2019
Subject:
Science and technology, Life Sciences
Length:
83 words

...acetyl coenzyme A ( acetyl CoA ) A compound formed in the mitochondria when an acetyl group (CH 3 CO–), derived from the breakdown of fats, proteins, or carbohydrates (via glycolysis ), combines with the thiol group (–SH) of coenzyme A . Acetyl CoA is a key metabolic building block. It feeds into the Krebs cycle , plays a role in the synthesis and oxidation of fatty acids, and is a component of steroid hormones, plant hormones, certain pigments, and other...

acetyl coenzyme A

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Oxford Dictionary of Biochemistry and Molecular Biology (2 ed.)

Reference type:
Subject Reference
Current Version:
2008
Subject:
Science and technology, Life Sciences
Length:
63 words

... coenzyme A abbr. : acetyl‐CoA; a derivative of coenzyme A in which the sulfhydryl group is acetylated. Originally termed ‘active acetate’, it is an important metabolite, derived from pathways such as glycolysis, fatty‐acid oxidation, and degradative metabolism of some amino acids. It is further metabolized by the tricarboxylic‐acid cycle and represents a key intermediate in lipid and terpenoid biosynthesis and other anabolic...

acetyl coenzyme A

acetyl coenzyme A   Reference library

The New Oxford Dictionary for Scientific Writers and Editors (2 ed.)

Reference type:
Subject Reference
Current Version:
2009

... coenzyme A (not hyphenated) Abbrev.: acetyl...

acetyl-coenzyme A

acetyl-coenzyme A noun   Quick reference

New Oxford American Dictionary (3 ed.)

Reference type:
English Dictionary
Current Version:
2015
Subject:
English Dictionaries and Thesauri
Length:
34 words

...-coenzyme A ▶ noun Biochemistry the acetyl ester of coenzyme A, involved as an acetylating agent in many biochemical processes . acetyl coenzyme A acetyl-coenzyme A acetyl-coenzyme As acetyl ester of coenzyme A ester...

acetyl coenzyme A

acetyl coenzyme A noun   Quick reference

Oxford Dictionary of English (3 ed.)

Reference type:
English Dictionary
Current Version:
2015
Subject:
English Dictionaries and Thesauri
Length:
35 words

... coenzyme A ▶ noun [ mass noun ] Biochemistry the acetyl ester of coenzyme A, involved as an acetylating agent in many biochemical processes . acetyl ester of coenzyme A ester Biochemistry acetyl coenzyme ...

acetyl coenzyme A

acetyl coenzyme A  

(ass-i-tyl-koh-en-zym)a compound formed by the combination of an acetate molecule with coenzyme A. Acetylcoenzyme A has an important role in the Krebs cycle.
acetyl CoA

acetyl CoA  

Reference type:
Overview Page
The acetylated form of coenzyme A, an important carrier of acyl groups, particularly in the tricarboxylic acid cycle.
fatty-acid oxidation

fatty-acid oxidation  

The metabolic pathway in which fats are metabolized to release energy. Fatty-acid oxidation occurs continually but does not become a major source of energy until the animal's carbohydrate resources ...
acetyl L-carnitine

acetyl L-carnitine  

An antioxidant synthesized in the body from L-carnitene. It carries fatty acids across cell membranes, such as those of mitochondria in which it facilitates fatty acid oxidation. It also provides ...
active acetate

active acetate  

(formerly) an alternative name for acetyl coenzyme A.
acetylation

acetylation  

The introduction of an acetyl group (CH3CO–) into a compound. The acetylation of coenzyme A to acetyl coenzyme A is an important stage in the Krebs cycle: the acetyl group is derived from pyruvate ...
CoASAc

CoASAc  

(occasionally) symbol for acetyl‐coenzyme A.
two-carbon fragment

two-carbon fragment  

1 any group of atoms containing two carbon atoms.2 a metabolically active acetyl radical, as in acetyl coenzyme A.
fatty acid synthase complex

fatty acid synthase complex  

A large multienzyme complex that catalyses a spiral set of reactions whereby fatty acids are synthesized from one molecule of acetyl coenzyme A and successive molecules of malonyl coenzyme A. ...
ethanoic acid

ethanoic acid  

A clear viscous liquid or glassy solid carboxylic acid, CH3COOH, with a characteristically sharp odour of vinegar; r.d. 1.049; m.p. 16.6°C; b.p. 117.9°C. The pure compound is called glacial ethanoic ...
coenzyme A

coenzyme A  

Reference type:
Overview Page
A nucleotide containing pantothenic acid, which is an important coenzyme in the Krebs cycle and in the metabolism of fatty acids.
dihydrolipoamide S-acetyltransferase

dihydrolipoamide S-acetyltransferase  

EC 2.3.1.12; other names: lipoate acetyltransferase; thioltransacetylase A; an enzyme that catalyses the formation of acetyl‐CoA and dihydrolipoamide from S‐acetyldihydrolipoamide and CoA. A lipoyl ...

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