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Catalysis of the transfer of a hexosyl group from one compound (donor) to another (acceptor). Catalysis of the reaction: 2 mono-beta-D-galactosyldiacylglycerol = alpha-D-galactosyl-beta-D-galactosyldiacylglycerol + 1,2-diacylglycerol. Catalysis of the transfer of a galactosyl group to an acceptor molecule, typically another carbohydrate or a lipid.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: galactolipid galactosyltransferase activity
Acc: GO:0046480
Aspect: Molecular Function
Desc: Catalysis of the reaction: 2 mono-beta-D-galactosyldiacylglycerol = alpha-D-galactosyl-beta-D-galactosyldiacylglycerol + 1,2-diacylglycerol.
Synonyms:
  • DGDG synthase activity
  • 3-(beta-D-galactosyl)-1,2-diacyl-sn-glycerol:mono-3-(beta-D-galactosyl)-1,2-diacyl-sn-glycerol beta-D-galactosyltransferase activity
  • digalactosyldiacylglycerol synthase activity
  • galactolipid-galactolipid galactosyltransferase activity
  • GGGT activity
  • interlipid galactosyltransferase activity
  • galactolipid:galactolipid galactosyltransferase activity
Proteins in PDR annotated with:
   This term: 1 [Search]
   Term or descendants: 1 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0046480 - galactolipid galactosyltransferase activity (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle