A particular coenzyme may participate in catalytic reaction along with different enzymes.
Example: NAD+ acts as coenzymes for lactate dehydrogenase and alcohol dehydrogenase. The specificity of the enzyme is mostly dependent on the apoenzyme and not the coenzyme.
Table 6.13 Coenzymes Not Related to B-complex Vitamins
| Coenzymes | Abbreviation | Biochemical function |
|---|---|---|
| Adenosine triphosphate | ATP | Donate phosphate, adenosine, and AMP moieties |
| Cytidine diphosphate | CDP | Required in phospholipids synthesis as carrier of choline and ethanolamine |
| Uridine diphosphate | UDP | Carrier of mononucleotides (glu and gal) required for glycogen synthesis |
| S-adenosyl methionine | SAM | Donate methyl group in biochemical reaction |
| Phosphoadenosine phospho sulphate | PAPS | Donate sulphate for the synthesis of mucopolysaccharide |
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