KEGG   ENZYME: 2.4.1.249
Entry
EC 2.4.1.249                Enzyme                                 
Name
delphinidin 3',5'-O-glucosyltransferase;
UDP-glucose:anthocyanin 3',5'-O-glucosyltransferase;
UA3'5'GZ
Class
Transferases;
Glycosyltransferases;
Hexosyltransferases
Sysname
UDP-glucose:delphinidin 3-O-(6''-O-malonyl)-beta-D-glucoside 3'-O-glucosyltransferase
Reaction(IUBMB)
2 UDP-glucose + delphinidin 3-O-(6''-O-malonyl)-beta-D-glucoside = 2 UDP + delphinidin 3-O-(6''-O-malonyl)-beta-D-glucoside-3',5'-di-O-beta-D-glucoside (overall reaction) [RN:R10063];
(1a) UDP-glucose + delphinidin 3-O-(6''-O-malonyl)-beta-D-glucoside = UDP + delphinidin 3-O-(6''-O-malonyl)-beta-D-glucoside-3'-O-beta-D-glucoside [RN:R07913];
(1b) UDP-glucose + delphinidin 3-O-(6''-O-malonyl)-beta-D-glucoside-3'-O-beta-D-glucoside = UDP + delphinidin 3-O-(6''-O-malonyl)-beta-D-glucoside-3',5'-di-O-beta-D-glucoside [RN:R07914]
Reaction(KEGG)
Substrate
UDP-glucose [CPD:C00029];
delphinidin 3-O-(6''-O-malonyl)-beta-D-glucoside [CPD:C16301];
delphinidin 3-O-(6''-O-malonyl)-beta-D-glucoside-3'-O-beta-D-glucoside [CPD:C16304]
Product
UDP [CPD:C00015];
delphinidin 3-O-(6''-O-malonyl)-beta-D-glucoside-3',5'-di-O-beta-D-glucoside [CPD:C16303];
delphinidin 3-O-(6''-O-malonyl)-beta-D-glucoside-3'-O-beta-D-glucoside [CPD:C16304]
Comment
Ternatins are a group of polyacetylated delphinidin glucosides that confer
blue color to the petals of Clitoria ternatea (butterfly pea).
This enzyme catalyses two reactions in the biosynthesis of ternatin C5: the conversion of delphinidin 3-O-(6''-O-malonyl)-beta-D-glucoside to delphinidin 3-O-(6''-O-malonyl)-beta-D-glucoside-3'-O-beta-D-glucoside, followed by the conversion of the later to ternatin C5, by transferring two glucosyl groups in a stepwise manner [1].
History
EC 2.4.1.249 created 2009
Pathway
ec00942  Anthocyanin biosynthesis
Reference
1  [PMID:17668234]
  Authors
Kogawa K, Kato N, Kazuma K, Noda N, Suzuki M
  Title
Purification and characterization of UDP-glucose: anthocyanin 3',5'-O-glucosyltransferase from Clitoria ternatea.
  Journal
Planta 226:1501-9 (2007)
DOI:10.1007/s00425-007-0584-1
Other DBs
ExplorEnz - The Enzyme Database: 2.4.1.249
IUBMB Enzyme Nomenclature: 2.4.1.249
ExPASy - ENZYME nomenclature database: 2.4.1.249
BRENDA, the Enzyme Database: 2.4.1.249

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