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ENZYME entry: EC 2.4.1.134

Accepted Name
galactosylxylosylprotein 3-beta-galactosyltransferase.
Alternative Name(s)
galactosyltransferase II.
uridine diphosphogalactose-galactosylxylose galactosyltransferase.
Reaction catalysed
3-O-(beta-D-galactosyl-(1->4)-beta-D-xylosyl)-L-seryl-[protein] + UDP-alpha-D-galactose <=> 3-O-(beta-D-galactosyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-xylosyl)-L-seryl-[protein] + H(+) + UDP
Comment(s)
Involved in the biosynthesis of the linkage region of glycosaminoglycan chains as part of proteoglycan biosynthesis (chondroitin, dermatan and heparan sulfates).
Cross-references
BRENDA2.4.1.134
EC2PDB2.4.1.134
ExplorEnz2.4.1.134
PRIAM enzyme-specific profiles2.4.1.134
KEGG Ligand Database for Enzyme Nomenclature2.4.1.134
IUBMB Enzyme Nomenclature2.4.1.134
IntEnz2.4.1.134
MEDLINEFind literature relating to 2.4.1.134
MetaCyc2.4.1.134
Rhea expert-curated reactions2.4.1.134
UniProtKB/Swiss-Prot
Q96L58, B3GT6_HUMAN;  Q91Z92, B3GT6_MOUSE;  Q9USX0, PVG3_SCHPO;  
Q9N491, SQV2_CAEEL;  

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