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- L'amidon synthase est une glycosyltransférase qui catalyse la réaction : + [(1→4)-α-D-glucosyle]n ADP + [(1→4)-α-D-glucosyle]n+1. Cette enzyme intervient dans la biosynthèse de l'amidon chez les plantes. Il en existerait cinq isoformes : GBSS, liée à la biosynthèse de l'amylose, et SS1, SS2, SS3 et SS4. Ces isoformes joueraient des rôles différents dans la synthèse de l'amylopectine. (fr)
- La almidón sintasa (EC 2.4.1.21) es una enzima que cataliza la síntesis del polímero almidón. Cataliza la adición de una molécula de glucosa al almidón en formación mediante la reacción: (1,4-α-D-glucosil)n + ADP-glucosa (1,4-α-D-glucosil)n+1 + ADP La enzima también produce glucógeno en células bacterianas. La enzima similar (glucógeno sintasa) de los mamíferos utiliza UDP-glucosa para producir glucógeno. (es)
- In enzymology, a starch synthase (EC 2.4.1.21) is an enzyme that catalyzes the chemical reaction ADP-glucose + (1,4-alpha-D-glucosyl)n ADP + (1,4-alpha-D-glucosyl)n+1 Thus, the two substrates of this enzyme are and a chain of D-glucose residues joined by 1,4-alpha-glycosidic bonds, whereas its two products are ADP and an elongated chain of glucose residues. Plants use these enzymes in the biosynthesis of starch. This enzyme belongs to the family of hexosyltransferases, specifically the glycosyltransferases. The systematic name of this enzyme class is ADP-glucose:1,4-alpha-D-glucan 4-alpha-D-glucosyltransferase. Other names in common use include ADP-glucose-starch glucosyltransferase, adenosine diphosphate glucose-starch glucosyltransferase, adenosine diphosphoglucose-starch glucosyltransferase, ADP-glucose starch synthase, ADP-glucose synthase, ADP-glucose transglucosylase, ADP-glucose-starch glucosyltransferase, ADPG starch synthetase, and ADPG-starch glucosyltransferase Five isoforms seems to be present. GBSS which is linked to amylose synthesis. The others are SS1, SS2, SS3 and SS4. These have different roles in amylopectin synthesis. New work implies that SS4 is important for granule initiation. (Szydlowski et al., 2011) (en)
- La amido sintasi è un enzima appartenente alla classe delle transferasi, che catalizza la seguente reazione: ADP-glucosio + (1,4α-D-glucosile)n ⇄ ADP + (1,4α-D-glucosile)n+1 Il nome accettato varia seconda della fonte dell'enzima e della natura del suo prodotto di sintesi, e.g. amido sintasi, glicogeno sintasi batterica. È simile alla glicogeno(amido) sintasi (numero EC 2.4.1.11), ma il nucleoside difosfato preferito per il substrato di zucchero è l'ADP-glucosio. Il nome copre l'amido e la glicogeno sintasi che utilizzano l'ADP-glucosio. (it)
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- Crystal structure of glycogen synthase 1 from Agrobacterium tumefaciens (en)
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- L'amidon synthase est une glycosyltransférase qui catalyse la réaction : + [(1→4)-α-D-glucosyle]n ADP + [(1→4)-α-D-glucosyle]n+1. Cette enzyme intervient dans la biosynthèse de l'amidon chez les plantes. Il en existerait cinq isoformes : GBSS, liée à la biosynthèse de l'amylose, et SS1, SS2, SS3 et SS4. Ces isoformes joueraient des rôles différents dans la synthèse de l'amylopectine. (fr)
- La almidón sintasa (EC 2.4.1.21) es una enzima que cataliza la síntesis del polímero almidón. Cataliza la adición de una molécula de glucosa al almidón en formación mediante la reacción: (1,4-α-D-glucosil)n + ADP-glucosa (1,4-α-D-glucosil)n+1 + ADP La enzima también produce glucógeno en células bacterianas. La enzima similar (glucógeno sintasa) de los mamíferos utiliza UDP-glucosa para producir glucógeno. (es)
- La amido sintasi è un enzima appartenente alla classe delle transferasi, che catalizza la seguente reazione: ADP-glucosio + (1,4α-D-glucosile)n ⇄ ADP + (1,4α-D-glucosile)n+1 Il nome accettato varia seconda della fonte dell'enzima e della natura del suo prodotto di sintesi, e.g. amido sintasi, glicogeno sintasi batterica. È simile alla glicogeno(amido) sintasi (numero EC 2.4.1.11), ma il nucleoside difosfato preferito per il substrato di zucchero è l'ADP-glucosio. Il nome copre l'amido e la glicogeno sintasi che utilizzano l'ADP-glucosio. (it)
- In enzymology, a starch synthase (EC 2.4.1.21) is an enzyme that catalyzes the chemical reaction ADP-glucose + (1,4-alpha-D-glucosyl)n ADP + (1,4-alpha-D-glucosyl)n+1 Thus, the two substrates of this enzyme are and a chain of D-glucose residues joined by 1,4-alpha-glycosidic bonds, whereas its two products are ADP and an elongated chain of glucose residues. Plants use these enzymes in the biosynthesis of starch. (en)
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- Almidón sintasa (es)
- Amidon synthase (fr)
- Amido sintasi (it)
- Starch synthase (en)
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