Noun
a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes
Source: WordNetThe detailed geometry of the coenzyme molecule as a whole is fascinating in its complexity. Dorothy Hodgkin
Acetyl coenzyme A carboxylase (ACCase) is part of the first step of lipid synthesis. Source: Internet
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. Source: Internet
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. Source: Internet
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. Source: Internet
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. Source: Internet