KEGG   ENZYME: 2.3.1.173
Entry
EC 2.3.1.173                Enzyme                                 

Name
flavonol-3-O-triglucoside O-coumaroyltransferase;
4-coumaroyl-CoA:flavonol-3-O-[beta-D-glucosyl-(1->2)-beta-D-glucoside] 6'''-O-4-coumaroyltransferase (incorrect)
Class
Transferases;
Acyltransferases;
Transferring groups other than aminoacyl groups
Sysname
4-coumaroyl-CoA:flavonol 3-O-[beta-D-glucosyl-(1->2)-beta-D-glucosyl-(1->2)-beta-D-glucoside] 6'''-O-4-coumaroyltransferase
Reaction(IUBMB)
4-coumaroyl-CoA + a flavonol 3-O-[beta-D-glucosyl-(1->2)-beta-D-glucosyl-(1->2)-beta-D-glucoside] = CoA + a flavonol 3-O-[6-(4-coumaroyl)-beta-D-glucosyl-(1->2)-beta-D-glucosyl-(1->2)-beta-D-glucoside]
Reaction(KEGG)
(other) R06806
Substrate
4-coumaroyl-CoA [CPD:C00223];
flavonol 3-O-beta-D-glucosyl-(1->2)-beta-D-glucosyl-(1->2)-beta-D-glucoside [CPD:C15582]
Product
CoA [CPD:C00010];
flavonol 3-O-[6-(4-coumaroyl)-beta-D-glucosyl-(1->2)-beta-D-glucosyl-(1->2)-beta-D-glucoside]
Comment
Acylates kaempferol 3-O-triglucoside on the terminal glucosyl unit, almost certainly at C-6.
History
EC 2.3.1.173 created 2004
Pathway
ec00944  Flavone and flavonol biosynthesis
Reference
1  [PMID:145116]
  Authors
Saylor MH, Mansell RL.
  Title
Hydroxycinnamoyl: coenzyme A transferase involved in the biosynthesis of kaempferol-3-(p-coumaroyl triglucoside) in Pisum sativum.
  Journal
Z Naturforsch [C] 32:764-8 (1977)
Other DBs
ExplorEnz - The Enzyme Database: 2.3.1.173
IUBMB Enzyme Nomenclature: 2.3.1.173
ExPASy - ENZYME nomenclature database: 2.3.1.173
BRENDA, the Enzyme Database: 2.3.1.173
CAS: 64972-79-8
LinkDB

KEGG   REACTION: R06806
Entry
R06806                      Reaction                               

Name
4-coumaroyl-CoA:flavonol-3-O-[beta-D-glucosyl-(1->2)-beta-D-glucosyl-(1->2)-beta-D-glucoside] 6'''-O-4-coumaroyltransferase
Definition
Kaempferol 3-sophorotrioside + p-Coumaroyl-CoA <=> Kaempferol 3-O-[6-(4-coumaroyl)-beta-D-glucosyl-(1->2)-beta-D-glucosyl-(1->2)-beta-D-glucoside] + CoA
Equation
Comment
flavonol-3-O-triglucoside O-coumaroyltransferase
Reaction class
RC00004  C00010_C00223
RC00041  C12635_C12636
Enzyme
Pathway
rn00944  Flavone and flavonol biosynthesis
LinkDB

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