inducer

in enzyme catalysis
https://doi.org/10.1351/goldbook.I03017
A small molecule that triggers @[email protected] by binding to a regulator protein (cf. @[email protected]). It acts by combining with the corresponding @[email protected] protein to bring about an allosteric change so that the repressor is made incapable of combining with the @[email protected] of the system.
Source:
PAC, 1992, 64, 143. (Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)) on page 157 [Terms] [Paper]