Information on EC 18.104.22.168 - xylogalacturonan beta-1,3-xylosyltransferase
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The expected taxonomic range for this enzyme is: Arabidopsis thaliana
Transfers a xylosyl residue from UDP-D-xylose to a D-galactose residue in xylogalacturonan, forming a beta-1,3-D-xylosyl-D-galactose linkage.
Involved in plant cell wall synthesis. The enzyme from Arabidopsis thaliana also transfers D-xylose from UDP-D-xylose onto oligogalacturonide acceptors. The enzyme did not show significant activity with UDP-glucose, UDP-galactose, or UDP-N-acetyl-D-glucosamine as sugar donors.
gene insertion mutants show a decrease in cell wall xylose. Role of enzyme in xylogalacturonan biosynthesis
protein is predicted to be targeted to the secretory pathway and to have a signal anchor with a single transmembrane helix from residues 9 to 31
protein has 4 potential N-glycosylation sites
XGD1 heterologously expressed in Nicotiana benthamiana catalyzes the transfer of xylose from UDP-xylose onto oligogalacturonides and endogenous acceptors