| Name | xylosylprotein 4-β-galactosyltransferase |
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| Synonyms |
EC 2.4.1.133
UDP-D-galactose:D-xylose galactosyltransferase UDP-D-galactose:xylose galactosyltransferase galactosyltransferase I uridine diphosphogalactose-xylose galactosyltransferase UDP-galactose:O-β-D-xylosylprotein 4-β-D-galactosyltransferase UDP-α-D-galactose:O-β-D-xylosylprotein 4-β-D-galactosyltransferase UDP-α-D-galactose:O-β-D-xylosyl-[protein] 4-β-D-galactosyltransferase |
| Description | Involved in the biosynthesis of the linkage region of glycosaminoglycan chains as part of proteoglycan biosynthesis (chondroitin, dermatan and heparan sulfates). Requires Mn2+. Reaction: UDP-α-D-galactose + [protein]-3-O-(β-D-xylosyl)-L-serine = UDP + [protein]-3-O-(β-D-galactosyl-(1→4)-β-D-xylosyl)-L-serine |
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| No Any Chemical & Physical Properties |