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PHOSPHORYLASE [1 record]
Record 1 - internal organization data 2003-11-18
Record 1, English
Record 1, Subject field(s)
- Biological Sciences
Record 1, Main entry term, English
- phosphorylase
1, record 1, English, phosphorylase
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
General term for an enzyme transferring an inorganic phosphate group to some organic acceptor, hence belonging to the transferases. 2, record 1, English, - phosphorylase
Record number: 1, Textual support number: 1 CONT
Some enzymes may exist in two forms of different activity which are interconvertible. Frequently, the mechanism of interconversion consists of phosphorylation .... One of the best known cases is glycogen phosphorylase, the enzyme that degrades glycogen into its glucose units, and which exists in two forms: a and b. Phosphorylase a is a tetrameric protein having the higher activity; phosphorylase b is a less active dimer. The b form can be converted into the a form by the convalent binding of four phosphate groups. 3, record 1, English, - phosphorylase
Record 1, French
Record 1, Domaine(s)
- Sciences biologiques
Record 1, Main entry term, French
- phosphorylase
1, record 1, French, phosphorylase
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Toute enzyme qui catalyse la phosphorolyse d'un composé par l'acide phosphorique. 2, record 1, French, - phosphorylase
Record number: 1, Textual support number: 1 CONT
Le glycogène est dégradé par phosphorolyse. Ceci signifie que le glycogène subit des coupures au niveau des restes de glucose, non pas hydrolytiques (avec fixation d'une molécule d'eau), mais phosphorolytiques (fixation d'une molécule d'acide phosphorique). Cette réaction est catalysée par une enzyme, la phosphorylase, enzyme très complexe (Cori, Sutherland) qui a été préparée à partir du foie et du muscle. Les enzymes des deux origines sont d'ailleurs de structure très différente. 3, record 1, French, - phosphorylase
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Ciencias biológicas
Record 1, Main entry term, Spanish
- fosforilasa
1, record 1, Spanish, fosforilasa
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Enzimas de la clase transferasa, que catalizan la escisión de enlaces mediante la adición de fosfato inorgánico. 2, record 1, Spanish, - fosforilasa
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