ExplorEnz: EC 2.4.2.41

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2.4.2.41

Accepted name:

xylogalacturonan β-1,3-xylosyltransferase

Reaction:

Transfers a xylosyl residue from UDP-D-xylose to a D-galactose residue in xylogalacturonan, forming a β-1,3-D-xylosyl-D-galactose linkage.

Other name(s):

xylogalacturonan xylosyltransferase; XGA xylosyltransferase

Systematic name:

UDP-D-xylose:xylogalacturonan 3-β-D-xylosyltransferase

Comments:

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.

Links to other databases:

BRENDA, EXPASY, KEGG, MetaCyc

References:

Jensen, J.K., Sorensen, S.O., Harholt, J., Geshi, N., Sakuragi, Y., Moller, I., Zandleven, J., Bernal, A.J., Jensen, N.B., Sorensen, C., Pauly, M., Beldman, G., Willats, W.G. and Scheller, H.V. Identification of a xylogalacturonan xylosyltransferase involved in pectin biosynthesis in Arabidopsis. Plant Cell 20 (2008) 1289–1302. [DOI] [PMID: 18460606]

[EC 2.4.2.41 created 2009]