corepressor

enUK

corepressor

[ko″re-pres´ser] a small molecule that combines with a protein aporepressor molecule to form an active substance, which then binds to an operator gene and inhibits the synthesis of an enzyme.

co·re·pres·sor

(kō'rē-pres'ŏr), A molecule, usually a product of a specific metabolic pathway (for example, nuclear protein), which combines with and activates a repressor produced by a regulator gene. The activated repressor then attaches to an operator gene site and inhibits activity of the structural genes. This homeostatic mechanism negatively regulates enzyme production in repressible enzyme systems.

corepressor

(kō′rĭ-prĕs′ər)n. A substance that combines with and activates a genetic repressor, thus preventing gene transcription and inhibiting protein synthesis.

co·re·pres·sor

(kō'rĕ-pres'ŏr) A molecule, usually a product of a specific metabolic pathway, which combines with and activates a repressor produced by a regulator gene. The repressor then attaches to an operator gene site and inhibits activity of the structural genes. This homeostatic mechanism regulates enzyme production in repressible enzyme systems.

corepressor

a substance of low molecular weight which unites with an APOREPRESSOR and reduces the activity of particular structural genes (see OPERON MODEL).

单词	corepressor
释义	corepressor enUK co·re·pres·sor C0641500 (kō′rĭ-prĕs′ər)n. A substance that combines with and activates a genetic repressor, thus preventing gene transcription and inhibiting protein synthesis. corepressor (ˌkəʊrɪˈprɛsə) na small molecule that combines with, and activates, a repressor Translations corepressor enUK corepressor [¦kō·ri‚pres·ər] (cell and molecular biology) A certain metabolite which, through combination with a repressor apoprotein produced by a regulator gene, can cause the binding of the protein to the operator gene region of a deoxyribonucleic acid chain. corepressor enUK corepressor [ko″re-pres´ser] a small molecule that combines with a protein aporepressor molecule to form an active substance, which then binds to an operator gene and inhibits the synthesis of an enzyme. co·re·pres·sor (kō'rē-pres'ŏr), A molecule, usually a product of a specific metabolic pathway (for example, nuclear protein), which combines with and activates a repressor produced by a regulator gene. The activated repressor then attaches to an operator gene site and inhibits activity of the structural genes. This homeostatic mechanism negatively regulates enzyme production in repressible enzyme systems. corepressor (kō′rĭ-prĕs′ər)n. A substance that combines with and activates a genetic repressor, thus preventing gene transcription and inhibiting protein synthesis. co·re·pres·sor (kō'rĕ-pres'ŏr) A molecule, usually a product of a specific metabolic pathway, which combines with and activates a repressor produced by a regulator gene. The repressor then attaches to an operator gene site and inhibits activity of the structural genes. This homeostatic mechanism regulates enzyme production in repressible enzyme systems. corepressor a substance of low molecular weight which unites with an APOREPRESSOR and reduces the activity of particular structural genes (see OPERON MODEL).
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