The Enzyme Database

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Accepted name: glucosylceramide β-1,4-galactosyltransferase
Reaction: UDP-α-D-galactose + β-D-glucosyl-(1↔1)-ceramide = UDP + β-D-galactosyl-(1→4)-β-D-glucosyl-(1↔1)-ceramide
For diagram of glycolipid biosynthesis, click here
Other name(s): lactosylceramide synthase; uridine diphosphate-galactose:glucosyl ceramide β 1-4 galactosyltransferase; UDP-Gal:glucosylceramide β1→4galactosyltransferase; GalT-2 (misleading); UDP-galactose:β-D-glucosyl-(1↔1)-ceramide β-1,4-galactosyltransferase
Systematic name: UDP-α-D-galactose:β-D-glucosyl-(1↔1)-ceramide 4-β-D-galactosyltransferase
Comments: Involved in the synthesis of several different major classes of glycosphingolipids.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Chatterjee, S. and Castiglione, E. UDPgalactose:glucosylceramide β1→4-galactosyltransferase activity in human proximal tubular cells from normal and familial hypercholesterolemic homozygotes. Biochim. Biophys. Acta 923 (1987) 136–142. [DOI] [PMID: 3099851]
2.  Trinchera, M., Fiorilli, A. and Ghidoni, R. Localization in the Golgi apparatus of rat liver UDP-Gal:glucosylceramide β1→4galactosyltransferase. Biochemistry 30 (1991) 2719–2724. [PMID: 1900430]
3.  Chatterjee, S., Ghosh, N. and Khurana, S. Purification of uridine diphosphate-galactose:glucosyl ceramide, β 1-4 galactosyltransferase from human kidney. J. Biol. Chem. 267 (1992) 7148–7153. [PMID: 1551920]
4.  Nomura, T., Takizawa, M., Aoki, J., Arai, H., Inoue, K., Wakisaka, E., Yoshizuka, N., Imokawa, G., Dohmae, N., Takio, K., Hattori, M. and Matsuo, N. Purification, cDNA cloning, and expression of UDP-Gal: glucosylceramide β-1,4-galactosyltransferase from rat brain. J. Biol. Chem. 273 (1998) 13570–13577. [DOI] [PMID: 9593693]
5.  Takizawa, M., Nomura, T., Wakisaka, E., Yoshizuka, N., Aoki, J., Arai, H., Inoue, K., Hattori, M. and Matsuo, N. cDNA cloning and expression of human lactosylceramide synthase. Biochim. Biophys. Acta 1438 (1999) 301–304. [DOI] [PMID: 10320813]
[EC created 2011]

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