A substance on which an enzyme acts.
A compound on which an ENZYME acts: for instance, ribonucleic acid (RNA) is the substrate for ribonuclease (an enzyme that catalyses the breakdown of ribonucleic acid, a cellular compound involved in the synthesis of PROTEIN).
n. the specific substance or substances on which a given *enzyme acts. For example, starch is the substrate for salivary amylase; RNA is the substrate for ribonuclease.
a nutrient that has an additional pharmacological effect when added to feeds, which may improve clinical outcomes after surgery. Novel substrates include the amino acids glutamine, arginine, and ornithine and possibly some fatty acids.... novel substrate