Lactosylceramide beta-1,3-galactosyltransferase

Lactosylceramide beta-1,3-galactosyltransferase

In enzymology, a lactosylceramide beta-1,3-galactosyltransferase (EC number|2.4.1.179) is an enzyme that catalyzes the chemical reaction

:UDP-galactose + D-galactosyl-1,4-beta-D-glucosyl-R ightleftharpoons UDP + D-galactosyl-1,3-beta-D-galactosyl-1,4-beta-D-glucosyl-R

Thus, the two substrates of this enzyme are UDP-galactose and D-galactosyl-1,4-beta-D-glucosyl-R, whereas its two products are UDP and D-galactosyl-1,3-beta-D-galactosyl-1,4-beta-D-glucosyl-R.

This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is UDP-galactose:D-galactosyl-1,4-beta-D-glucosyl-R beta-1,3-galactosyltransferase. Other names in common use include uridine diphosphogalactose-lactosylceramide, and beta1->3-galactosyltransferase.

References

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External links

::"The CAS registry number for this enzyme class is CAS registry|106769-64-6."

Gene Ontology (GO) codes


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  • Lactosylceramide 4-alpha-galactosyltransferase — In enzymology, a lactosylceramide 4 alpha galactosyltransferase (EC number|2.4.1.228) is an enzyme that catalyzes the chemical reaction:UDP galactose + beta D galactosyl (1 >4) D glucosylceramide ightleftharpoons UDP + alpha D galactosyl (1 >4)… …   Wikipedia

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