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Lactotriaosylceramide beta-1,4-galactosyltransferase (EC 2.4.1.275, beta4Gal-T4, UDP-galactose:N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide beta-1,4-galactosyltransferase) is an enzyme with systematic name UDP-alpha-D-galactose:N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide 4-beta-D-galactosyltransferase. This enzyme catalyses the following chemical reaction

UDP-alpha-D-galactose + N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide ${\displaystyle \rightleftharpoons }$ UDP + beta-D-galactosyl-(1->4)-N-acetyl-beta-D-galactosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide

References

1. Schwientek T, Almeida R, Levery SB, Holmes EH, Bennett E, Clausen H (November 1998). "Cloning of a novel member of the UDP-galactose:beta-N-acetylglucosamine beta1,4-galactosyltransferase family, beta4Gal-T4, involved in glycosphingolipid biosynthesis". The Journal of Biological Chemistry. 273 (45): 29331–40. doi:10.1074/jbc.273.45.29331. PMID 9792633.

External links

• Lactotriaosylceramide+beta-1,4-galactosyltransferase at the U.S. National Library of Medicine Medical Subject Headings (MeSH)

• Biology

• EC 2.4.1