KEGG   REACTION: R13159
Entry
R13159                      Reaction                               
Definition
Quillaic acid 3-O-beta-D-xylosyl-1,3-(beta-D-galactosyl-1,2)-beta-D-glucuronide-28-O-alpha-L-rhamnosyl-1,2-beta-D-fucoside + UDP-D-xylose <=> Quillaic acid 3-O-beta-D-xylosyl-1,3-(beta-D-galactosyl-1,2)-beta-D-glucuronide-28-O-beta-D-xylosyl-1,4-alpha-L-rhamnosyl-1,2-beta-D-fucoside + UDP
Equation
C22658 + C00190 <=> C22660 + C00015
Comment
xylosyltransferase
Reaction class
RC00049  C22658_C22660
Enzyme
2.4.2.-
Pathway
rn00999  Biosynthesis of various plant secondary metabolites
rn01100  Metabolic pathways
rn01110  Biosynthesis of secondary metabolites
Module
M00971  QS-7 biosynthesis, 2,3-epoxysqualene => QS-7
Brite
Enzymatic reactions [BR:br08201]
 2. Transferase reactions
  2.4  Glycosyltransferases
   2.4.2  Pentosyltransferases
    2.4.2.-
     R13159  Quillaic acid 3-O-beta-D-xylosyl-1,3-(beta-D-galactosyl-1,2)-beta-D-glucuronide-28-O-alpha-L-rhamnosyl-1,2-beta-D-fucoside + UDP-D-xylose <=> Quillaic acid 3-O-beta-D-xylosyl-1,3-(beta-D-galactosyl-1,2)-beta-D-glucuronide-28-O-beta-D-xylosyl-1,4-alpha-L-rhamnosyl-1,2-beta-D-fucoside + UDP
Orthology
K26490  quillaic acid 3-O-Xyl/L-Rha-1,3-(Gal-1,2)-GlcA-28-O-L-Rha-1,2-Fuc beta-1,4-xylosyltransferase [EC:2.4.2.-]
Reference
1  [PMID:36952412]
  Authors
Reed J, Orme A, El-Demerdash A, Owen C, Martin LBB, Misra RC, Kikuchi S, Rejzek M, Martin AC, Harkess A, Leebens-Mack J, Louveau T, Stephenson MJ, Osbourn A.
  Title
Elucidation of the pathway for biosynthesis of saponin adjuvants from the soapbark tree.
  Journal
Science 379:1252-1264 (2023)
DOI:10.1126/science.adf3727
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