coenzyme
Noun
Meaning
a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes
Source: WordNetSynonyms
Hypernyms
Hyponyms
Phrases with the word
Examples
The detailed geometry of the coenzyme molecule as a whole is fascinating in its complexity.
Acetyl coenzyme A carboxylase (ACCase) is part of the first step of lipid synthesis.
A one-carbon unit from folic acid coenzyme N 10 -formyl-THF is then added to the amino group of the substituted glycine followed by the closure of the imidazole ring.
For example, about 1000 enzymes are known to use the coenzyme NADH. citation Coenzymes are usually continuously regenerated and their concentrations maintained at a steady level inside the cell.
If the cycle were permitted to run unchecked, large amounts of metabolic energy could be wasted in overproduction of reduced coenzyme such as NADH and ATP.
The portion in blue, on the left, is the acetyl group ; the portion in black is coenzyme A The citric acid cycle is a key metabolic pathway that unifies carbohydrate, fat, and protein metabolism.