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- La saccharose-phosphate synthase est une glycosyltransférase qui catalyse la réaction : UDP-glucose + D-fructose-6-phosphate UDP + saccharose-6F-phosphate. Cette enzyme réalise la biosynthèse du saccharose chez les plantes et les cyanobactéries. La protéine issue des feuilles de riz est activée par le glucose-6-phosphate, mais celle issue des cyanobactéries ne l'est pas. La réaction est réversible, mais la saccharose-phosphate synthase fonctionne généralement en couplage étroit avec la saccharose-phosphate phosphatase, ce qui rend la réaction essentiellement irréversible. L'exposant « F » du saccharose-6F-phosphate indique que le groupe phosphate est porté par le résidu de fructose. (fr)
- Sucrose-phosphate synthase is a plant enzyme involved in sucrose biosynthesis. Specifically, this enzyme catalyzes the transfer of a hexosyl group from uridine diphosphate glucose (UDP-glucose) to D-fructose 6-phosphate to form UDP and D-sucrose-6-phosphate. This reversible step acts as the key regulatory control point in sucrose biosynthesis, and is an excellent example of various key enzyme regulation strategies such as allosteric control and reversible phosphorylation. This enzyme participates in starch and sucrose metabolism. (en)
- La saccarosio-fosfato sintasi è un enzima appartenente alla classe delle transferasi, che catalizza la seguente reazione: UDP-glucosio + D-fruttosio 6-fosfato ⇄ UDP + saccarosio 6-fosfato (it)
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- 11811 (xsd:nonNegativeInteger)
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- Sucrose phosphate synthase monomer, Halothermothrix orenii (en)
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- sucrose-phosphate synthase (en)
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- Sucrose-phosphate synthase is a plant enzyme involved in sucrose biosynthesis. Specifically, this enzyme catalyzes the transfer of a hexosyl group from uridine diphosphate glucose (UDP-glucose) to D-fructose 6-phosphate to form UDP and D-sucrose-6-phosphate. This reversible step acts as the key regulatory control point in sucrose biosynthesis, and is an excellent example of various key enzyme regulation strategies such as allosteric control and reversible phosphorylation. This enzyme participates in starch and sucrose metabolism. (en)
- La saccarosio-fosfato sintasi è un enzima appartenente alla classe delle transferasi, che catalizza la seguente reazione: UDP-glucosio + D-fruttosio 6-fosfato ⇄ UDP + saccarosio 6-fosfato (it)
- La saccharose-phosphate synthase est une glycosyltransférase qui catalyse la réaction : UDP-glucose + D-fructose-6-phosphate UDP + saccharose-6F-phosphate. Cette enzyme réalise la biosynthèse du saccharose chez les plantes et les cyanobactéries. La protéine issue des feuilles de riz est activée par le glucose-6-phosphate, mais celle issue des cyanobactéries ne l'est pas. La réaction est réversible, mais la saccharose-phosphate synthase fonctionne généralement en couplage étroit avec la saccharose-phosphate phosphatase, ce qui rend la réaction essentiellement irréversible. (fr)
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- Saccharose-phosphate synthase (fr)
- Saccarosio-fosfato sintasi (it)
- Sucrose-phosphate synthase (en)
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- sucrose-phosphate synthase (en)
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