B4GALT7 transfers Gal group to xylosyl-unit of the tetrasaccharide linker
xylosyl-core proteins + UDP-Gal → Gal-Xyl-proteins + UDP + H+
- Reactome
- R-HSA-1889981
- Compartment
- Golgi membrane · Golgi lumen
- Rhea
- RHEA:15298
Inputs
- xylosyl-core proteinsR-HSA-2064201, Golgi lumen
- UDP-GalCHEBI:66914, C15H22N2O17P2, Golgi lumen
Outputs
- Gal-Xyl-proteinsR-HSA-2064058, Golgi lumen
- UDPCHEBI:58223, C9H11N2O12P2, Golgi lumen
- H+CHEBI:15378, H, Golgi lumen
Catalysed by
- xylosylprotein 4-beta-galactosyltransferase activity of B4GALT7 [Golgi membrane]EC 2.4.1.133; UniProt Q9UBV7
Literature
- Cloning and expression of a proteoglycan UDP-galactose:beta-xylose beta1,4-galactosyltransferase I. A seventh member of the human beta4-galactosyltransferase gene family J Biol Chem, 1999
- Molecular basis for the progeroid variant of Ehlers-Danlos syndrome. Identification and characterization of two mutations in galactosyltransferase I gene J Biol Chem, 1999