A4GALT transfers galactose to LacCer
LacCer-d18 + UDP-Gal → Gb3Cer + UDP + H+
- Reactome
- R-HSA-9846477
- Compartment
- Golgi membrane · Golgi lumen
- Rhea
- RHEA:11924
Inputs
- LacCer-d18CHEBI:17950, C31H56NO13R, Golgi membrane
- UDP-GalCHEBI:66914, C15H22N2O17P2, Golgi lumen
Outputs
- Gb3CerCHEBI:18313, C37H66NO18R, Golgi membrane
- UDPCHEBI:58223, C9H11N2O12P2, Golgi lumen
- H+CHEBI:15378, H, Golgi lumen
Catalysed by
- lactosylceramide 4-alpha-galactosyltransferase activity of A4GALT [Golgi membrane]EC 2.4.1.228; UniProt Q9NPC4
Literature
- Molecular cloning of globotriaosylceramide/CD77 synthase, a glycosyltransferase that initiates the synthesis of globo series glycosphingolipids J Biol Chem, 2000
- The blood group P1 synthase gene is identical to the Gb3/CD77 synthase gene. A clue to the solution of the P1/P2/p puzzle J Biol Chem, 2003