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REGULATORY ENZYME [1 record]
Record 1 - internal organization data 2012-02-16
Record 1, English
Record 1, Subject field(s)
- Biochemistry
Record 1, Main entry term, English
- regulatory enzyme
1, record 1, English, regulatory%20enzyme
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
An enzyme that possesses properties that specifically endows it with regulatory roles in metabolism. 2, record 1, English, - regulatory%20enzyme
Record number: 1, Textual support number: 1 CONT
Regulatory enzymes occupy key positions in metabolic pathways. The structural elements needed to make a regulatory enzyme are used with great selectivity and imposed only on those enzymes with which it will result in the maximum economy of the cell's resources. An understanding of a particular multienzyme pathway usually suggests which enzymes might make attractive candidates for regulation. For example, many biosynthetic pathways involve a long chain of single chemical steps, each carried out by a discrete enzyme. ... It is obviously most economical for the first enzyme of the pathway to be inhibited once sufficient end product is present. 3, record 1, English, - regulatory%20enzyme
Record number: 1, Textual support number: 1 OBS
There are two major types of such enzymes: (1) allosteric enzymes, whose catalytic activity is modulated through the noncovalent binding of a specific metabolite at a site on the protein other than the catalytic site, and (2) covalently modulated enzymes, which are interconverted between active and inactive forms by the action of other enzymes. 2, record 1, English, - regulatory%20enzyme
Record 1, French
Record 1, Domaine(s)
- Biochimie
Record 1, Main entry term, French
- enzyme de régulation
1, record 1, French, enzyme%20de%20r%C3%A9gulation
correct, masculine and feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- enzyme régulateur 2, record 1, French, enzyme%20r%C3%A9gulateur
correct, masculine noun
- enzyme régulatrice 3, record 1, French, enzyme%20r%C3%A9gulatrice
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Enzyme qui joue un rôle important dans la régulation des processus métaboliques de la cellule vivante. 2, record 1, French, - enzyme%20de%20r%C3%A9gulation
Record number: 1, Textual support number: 1 CONT
Il existe dans les principales voies métaboliques une ou plusieurs étapes catalysées par une enzyme régulatrice. Ces enzymes régulatrices, qui sont généralement allostériques, sont précisément les enzymes sur lesquelles agissent les signaux. Ces signaux activeront ou inhiberont ces enzymes et ainsi canaliseront les métabolites vers les voies satisfaisantes pour les besoins de la cellule. 4, record 1, French, - enzyme%20de%20r%C3%A9gulation
Record number: 1, Textual support number: 1 OBS
Il en existe deux principaux types : (1) les enzymes allostériques dont l'activité est modulée grâce à l'attachement non covalent d'un métabolite spécifique sur un autre site protéique que le site catalytique; (2) les enzymes modulées de façon covalente dont la forme inactive est activée par une transformation réalisée par une autre enzyme. 2, record 1, French, - enzyme%20de%20r%C3%A9gulation
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Bioquímica
Record 1, Main entry term, Spanish
- enzima reguladora
1, record 1, Spanish, enzima%20reguladora
correct, see observation, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 OBS
Tradicionalmente, la Real Academia Española (RAE) admitía únicamente el género femenino para el sustantivo enzima; así fue hasta 1984, fecha en que pasó a considerarlo de género ambiguo, que puede funcionar por igual como masculino y como femenino. El uso, no obstante, parece haberse decantado claramente en español por el femenino, que hoy se emplea en el 90% de los casos [...] 2, record 1, Spanish, - enzima%20reguladora
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