Entry
Name
delphinidin 3',5'-O-glucosyltransferase;
UDP-glucose:anthocyanin 3',5'-O-glucosyltransferase;
UA3'5'GZ
Class
Transferases;
Glycosyltransferases;
Hexosyltransferases
BRITE hierarchy
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
Reference
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
Other DBs
ExPASy - ENZYME nomenclature database: 2.4.1.249