| slovo | definícia |
coenzyme
(encz) | coenzyme,koenzym n: Zdeněk Brož |
coenzyme
(gcide) | coenzyme \co*en"zyme\ (k[-o]*[e^]n"z[imac]m), (Biochem.)
a molecule that is essential for the activity of some
enzymes; it may exist free in solution within a living
organism, but functions by binding to an enzyme to assist in
catalyzing a reaction. The molecule itself may be temporarily
changed during the reaction, but is ultimately restored to
its original form. Many vitamins function as coenzymes.
[PJC] |
coenzyme
(wn) | coenzyme
n 1: a small molecule (not a protein but sometimes a vitamin)
essential for the activity of some enzymes |
| | podobné slovo | definícia |
coenzyme a
(encz) | coenzyme A, n: |
coenzyme q
(encz) | coenzyme Q, n: |
coenzyme A
(gcide) | coenzyme A \co*en"zyme A`\ (k[-o]*[e^]n"z[imac]m [=a]`),
(Biochem.)
a coenzyme (C21H36N7O16P3S) that participates in the
transfer of acetyl groups in biochemical reactions; --
abbreviated CoA. It contains adenosine, phosphate,
pantothenic acid and cysteamine groups. The acetyl group to
be transferred during biosynthesis is temporarily attached to
the free sulhydryl of the cysteamine group to form a
thioester, in which state it is called acetyl coenzyme A. The
strength of a preparation of coenzyme A may be expressed by
the Lippman unit; one milligram of CoA contains 413 Lippman
units.
[PJC] |
coenzyme R
(gcide) | biotin \bi"o*tin\ n.
a B vitamin (C10H16N2O3S) that aids in body growth; --
called also vitamin H and coenzyme R. It functions as a
coenzyme in many carboxylation reactions.
Note: Biotin binds tightly to the substance avidin, found in
raw egg-whites. Rats or chick on a diet high in raw
egg-white may develop skin lesions and retarded growth,
which can be prevented by adding biotin to the diet.
--[MI11]
Syn: .
[WordNet 1.5 +PJC] |
5-hydroxy-3-methylglutaryl-coenzyme a reductase
(wn) | 5-hydroxy-3-methylglutaryl-coenzyme A reductase
n 1: a liver enzyme that is responsible for producing
cholesterol [syn: HMG-CoA reductase,
5-hydroxy-3-methylglutaryl-coenzyme A reductase] |
coenzyme a
(wn) | coenzyme A
n 1: a coenzyme present in all living cells; essential to
metabolism of carbohydrates and fats and some amino acids |
coenzyme q
(wn) | coenzyme Q
n 1: any of several quinones found in living cells and that
function as coenzymes that transfer electrons from one
molecule to another in cell respiration [syn: ubiquinone,
coenzyme Q] |
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