The Enzyme Database

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EC 2.3.1.103     
Accepted name: sinapoylglucose—sinapoylglucose O-sinapoyltransferase
Reaction: 2 1-O-sinapoyl-β-D-glucose = D-glucose + 1,2-bis-O-sinapoyl-β-D-glucose
Glossary: 1-O-sinapoyl-β-D-glucose = 1-O-[(2E)-3-(4-hydroxy-3,5-dimethoxyphenyl)-2-propenoyl]-β-D-glucopyranose
Other name(s): hydroxycinnamoylglucose-hydroxycinnamoylglucose hydroxycinnamoyltransferase; 1-(hydroxycinnamoyl)-glucose:1-(hydroxycinnamoyl)-glucose hydroxycinnamoyltransferase; 1-O-(4-hydroxy-3,5-dimethoxycinnamoyl)-β-D-glucoside:1-O-(4-hydroxy-3,5-dimethoxycinnamoyl)-β-D-glucoside 1-O-sinapoyltransferase
Systematic name: 1-O-sinapoyl-β-D-glucose:1-O-sinnapoyl-β-D-glucose 1-O-sinapoyltransferase
Comments: The plant enzyme, characterized from Brassicaceae, is involved in secondary metabolism.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 103537-11-7
References:
1.  Dahlbender, B. and Strack, D. Purification and properties of 1-(hydroxycinnamoyl)-glucose-1-(hydroxycinnamoyl)-glucose hydroxycinnamoyl-transferase from radish seedlings. Phytochemistry 25 (1986) 1043–1046.
2.  Fraser, C.M., Thompson, M.G., Shirley, A.M., Ralph, J., Schoenherr, J.A., Sinlapadech, T., Hall, M.C. and Chapple, C. Related Arabidopsis serine carboxypeptidase-like sinapoylglucose acyltransferases display distinct but overlapping substrate specificities. Plant Physiol. 144 (2007) 1986–1999. [PMID: 17600138]
[EC 2.3.1.103 created 1989]
 
 


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