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galactosylxylosylprotein 3-beta-galactosyltransferase activity

Term Information

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Accession
GO:0047220
Name
galactosylxylosylprotein 3-beta-galactosyltransferase activity
Ontology
molecular_function
Synonyms
UDP-galactose:4-beta-D-galactosyl-O-beta-D-xylosylprotein 3-beta-D-galactosyltransferase activity, UDPgalactose:4-beta-D-galactosyl-O-beta-D-xylosylprotein 3-beta-D-galactosyltransferase activity, galactosyltransferase II activity, uridine diphosphogalactose-galactosylxylose galactosyltransferase activity
Alternate IDs
None
Definition
Catalysis of the reaction: 4-beta-D-galactosyl-O-beta-D-xylosylprotein + UDP-galactose = 3-beta-D-galactosyl-4-beta-D-galactosyl-O-beta-D-xylosylprotein + UDP. Source: EC:2.4.1.134, MetaCyc:2.4.1.134-RXN
Comment
None
History
See term history for GO:0047220 at QuickGO
Chem. react.
has participant O(3)-(beta-D-galactosyl-(1->4)-beta-D-xylosyl)-L-serine residue
has participant UDP-alpha-D-galactose(2-)
has participant O(3)-(beta-D-galactosyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-xylosyl)-L-serine residue
has participant UDP(3-)
has participant hydron
Subset
None
Include "regulates"
For more information, please see the ontology relation documentation.

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Parents of galactosylxylosylprotein 3-beta-galactosyltransferase activity (GO:0047220)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
galactosylxylosylprotein 3-beta-galactosyltransferase activity [RO:0000057 relation] RO:0000057  O(3)-(beta-D-galactosyl-(1->4)-beta-D-xylosyl)-L-serine residue (CHEBI:132088)
galactosylxylosylprotein 3-beta-galactosyltransferase activity [is_a relation] is_a  catalytic activity, acting on a glycoprotein (GO:0140103)
galactosylxylosylprotein 3-beta-galactosyltransferase activity [is_a relation] is_a  UDP-galactosyltransferase activity (GO:0035250)
galactosylxylosylprotein 3-beta-galactosyltransferase activity [RO:0000057 relation] RO:0000057  UDP-alpha-D-galactose(2-) (CHEBI:66914)
galactosylxylosylprotein 3-beta-galactosyltransferase activity [RO:0000057 relation] RO:0000057  O(3)-(beta-D-galactosyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-xylosyl)-L-serine residue (CHEBI:132090)
galactosylxylosylprotein 3-beta-galactosyltransferase activity [RO:0000057 relation] RO:0000057  UDP(3-) (CHEBI:58223)
galactosylxylosylprotein 3-beta-galactosyltransferase activity [RO:0000057 relation] RO:0000057  hydron (CHEBI:15378)

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