coenzyme

1. A small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes (synset 114824447)
   is a type of: molecule - (physics and chemistry) the simplest structural unit of an element or compound
   subtypes:

   • cocarboxylase, thiamine pyrophosphate - a coenzyme important in respiration in the Krebs cycle
   • coenzyme a - a coenzyme present in all living cells; essential to metabolism of carbohydrates and fats and some amino acids
   • nad, nicotinamide adenine dinucleotide - a coenzyme present in most living cells and derived from the B vitamin nicotinic acid; serves as a reductant in various metabolic processes
   • nadp, nicotinamide adenine dinucleotide phosphate - a coenzyme similar to NAD and present in most living cells but serves as a reductant in different metabolic processes
   • triphosphopyridine nucleotide - a coenzyme of several enzymes
   • coenzyme q, ubiquinone - any of several quinones found in living cells and that function as coenzymes that transfer electrons from one molecule to another in cell respiration

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