The Enzyme Database

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Accepted name: sucrose synthase
Reaction: NDP-glucose + D-fructose = NDP + sucrose
Other name(s): UDPglucose-fructose glucosyltransferase; sucrose synthetase; sucrose-UDP glucosyltransferase; sucrose-uridine diphosphate glucosyltransferase; uridine diphosphoglucose-fructose glucosyltransferase
Systematic name: NDP-glucose:D-fructose 2-α-D-glucosyltransferase
Comments: Although UDP is generally considered to be the preferred nucleoside diphosphate for sucrose synthase, numerous studies have shown that ADP serves as an effective acceptor molecule to produce ADP-glucose [3-9]. Sucrose synthase has a dual role in producing both UDP-glucose (necessary for cell wall and glycoprotein biosynthesis) and ADP-glucose (necessary for starch biosynthesis) [10].
Links to other databases: BRENDA, EXPASY, GTD, KEGG, MetaCyc, CAS registry number: 9030-05-1
1.  Avigad, G. and Milner, Y. UDP-glucose:fructose transglucosylase from sugar beet roots. Methods Enzymol. 8 (1966) 341–345.
2.  Cardini, C.E., Leloir, L.F. and Chiriboga, J. The biosynthesis of sucrose. J. Biol. Chem. 214 (1955) 149–155. [PMID: 14367373]
3.  Delmer, D.P. The purification and properties of sucrose synthetase from etiolated Phaseolus aureus seedlings. J. Biol. Chem. 247 (1972) 3822–3828. [PMID: 4624446]
4.  Murata, T., Sugiyama, T., Minamikawa, T. and Akazawa, T. Enzymic mechanism of starch synthesis in ripening rice grains. Mechanism of the sucrose-starch conversion. Arch. Biochem. Biophys. 113 (1966) 34–44. [PMID: 5941994]
5.  Nakai, T., Konishi, T., Zhang, X.-Q., Chollet, R., Tonouchi, N., Tsuchida, T., Yoshinaga, F., Mori, H., Sakai, F. and Hayashi, T. An increase in apparent affinity for sucrose of mung bean sucrose synthase is caused by in vitro phosphorylation or directed mutagenesis of Ser11. Plant Cell Physiol. 39 (1998) 1337–1341. [PMID: 10050318]
6.  Porchia, A.C., Curatti, L. and Salerno, G.L. Sucrose metabolism in cyanobacteria: sucrose synthase from Anabaena sp. strain PCC 7119 is remarkably different from the plant enzymes with respect to substrate affinity and amino-terminal sequence. Planta 210 (1999) 34–40. [PMID: 10592030]
7.  Ross, H.A. and Davies, H.V. Purification and characterization of sucrose synthase from the cotyledons of Vicia fava L. Plant Physiol. 100 (1992) 1008–1013. [PMID: 16653008]
8.  Silvius, J.E. and Snyder, F.W. Comparative enzymic studies of sucrose metabolism in the taproots and fibrous roots of Beta vulgaris L. Plant Physiol. 64 (1979) 1070–1073. [PMID: 16661094]
9.  Tanase, K. and Yamaki, S. Purification and characterization of two sucrose synthase isoforms from Japanese pear fruit. Plant Cell Physiol. 41 (2000) 408–414. [PMID: 10845453]
10.  Baroja-Fernández, E., Muñnoz, F.J., Saikusa, T., Rodríguez-López, M., Akazawa, T. and Pozueta-Romero, J. Sucrose synthase catalyzes the de novo production of ADPglucose linked to starch biosynthesis in heterotrophic tissues of plants. Plant Cell Physiol. 44 (2003) 500–509. [PMID: 12773636]
[EC created 1961, modified 2003]

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