2.4.1.275: neolactotriaosylceramide beta-1,4-galactosyltransferase
This is an abbreviated version!
For detailed information about neolactotriaosylceramide beta-1,4-galactosyltransferase, go to the full flat file.
Word Map on EC 2.4.1.275
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2.4.1.275
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glycosphingolipids
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laccer
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d-pdmp
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sphingolipids
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glycolipids
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ganglioside
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d-threo-1-phenyl-2-decanoylamino-3-morpholino-1-propanol
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glct-1
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galt-2
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glucosyltransferase
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hbecs
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gm3
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hemolytic-uremic
- 2.4.1.275
- glycosphingolipids
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laccer
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d-pdmp
- sphingolipids
- glycolipids
- ganglioside
- d-threo-1-phenyl-2-decanoylamino-3-morpholino-1-propanol
- glct-1
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galt-2
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glucosyltransferase
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hbecs
- gm3
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hemolytic-uremic
Reaction
Synonyms
UDP-Gal:glucosylceramide beta1->4galactosyltransferase, beta-1,4-GalT IV, beta4Gal-T4, GalT-4, lactosylceramide synthase, lactotriaosylceramide:galactosyltransferase, LcOse3Cer:Gal-Tr, UDP-Gal:GLcNAcbeta1-3Galbeta1-4Glc-Cer beta1-4galactosyltransferase, UDP-Gal:Lc3 beta1-4galactosyltransferase, UDP-galactose:beta-N-acetylglucosamine beta1,4-galactosyltransferase, UDPGal:betaGlcNAc beta1,4Gal-transferase, uridine diphosphate-galactose:glucosyl ceramide, beta 1-4 galactosyltransferase
ECTree
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Substrates Products
Substrates Products on EC 2.4.1.275 - neolactotriaosylceramide beta-1,4-galactosyltransferase
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REACTION DIAGRAM
UDP-alpha-D-galactose + 1-O-benzyl 6-O-beta-D-GlcpNAC-beta-D-GlypNAc
UDP + 1-O-benzyl 4-O-beta-D-Galp-6-O-beta-D-GlcpNAC-beta-D-GlcpNAc
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-
-
?
UDP-alpha-D-galactose + 1-O-benzyl beta-D-GlcpNAc
UDP + 1-O-benzyl 4-O-beta-D-Galp-beta-D-GlcpNAc
no activity with alpha-D-GlcNAc-1-benzyl
-
-
?
UDP-alpha-D-galactose + 1-O-methyl 3-O-beta-D-GlcpNAc-beta-D-Galp
UDP + 1-O-methyl 4-O-beta-D-Galp-3-O-beta-D-GlcpNAc-beta-D-Galp
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-
-
?
UDP-alpha-D-galactose + 4-nitrophenyl N-acetyl-1-thio-beta-D-glucosaminide
UDP + 4-nitrophenyl 4-O-beta-D-galactopyranosiy-N-acetyl-1-thio-beta-D-glucosaminide
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-
-
?
UDP-alpha-D-galactose + N-acetyl-beta-D-galactosaminopyranosyl-(1->3)-beta-D-galactopyranosyl-(1->4)-beta-D-glucopyranosyl-(1<->)-ceramide
?
-
-
-
-
?
UDP-alpha-D-galactose + N-acetyl-beta-D-galactosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide
UDP + beta-D-galactosyl-(1->4)-N-acetyl-beta-D-galactosaminyl-(1->3)-beta-D-galactosyl-(1->4)-D-glucosyl-(1<->1)-ceramide
UDP-galactose + 1-O-(1-methylumbellifer-7-yl) beta-D-GlcpNAc
UDP + 1-O-(1-methylumbellifer-7-yl) 4-O-beta-D-Galp-beta-D-GlcpNAc
-
-
-
?
UDP-galactose + 1-O-(4-nitrophenyl) beta-D-GlcpNAc
UDP + 1-O-(4-nitrophenyl) 4-O-beta-D-Galp-beta-D-GlcpNAc
-
-
-
?
UDP-galactose + 1-O-methyl 6-O-beta-D-GlcpNAC-alpha-D-Manp
UDP + 1-O-methyl 4-O-beta-D-Galp-6-O-beta-D-GlcpNAC-alpha-D-Manp
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-
-
?
UDP-galactose + 1-S-(4-nitrophenyl) beta-D-1-thio-GlcpNAc
UDP + 1-S-(4-nitrophenyl) 4-O-beta-D-Galp-beta-D-1-thio-GlcpNAc
-
-
-
?
UDP-galactose + beta-D-GlcpNAc-(1->6)-D-GlcpNAc
UDP + beta-D-Galp-(1->4)-[beta-D-GlcpNAc-(1->6)]-D-GlcpNAc
-
-
-
?
UDP-galactose + GlcNAc-beta-(1->6)-(GlcNAc-beta-(1->2))-Man-alpha-(1->3)-Man-beta-(1->)O(CH2)8COOCH2-m-nitrophenol
UDP + Gal-alpha-(1->4)-GlcNAc-beta-(1->6)-(GlcNAc-beta-(1->2))-Man-alpha-(1->3)-Man-beta-(1->)O(CH2)8COOCH2-m-nitrophenol
preferential galactosylation of the GlcNAc-beta-(1->6)-Man branch
-
-
?
UDP-galactose + N,N',N''-triacetylchitotriose
UDP + beta-D-Galp-(1->4)-beta-D-GlcpNAc-(1->4)-beta-D-GlcpNAc-(1->4)-D-GlcpNAc
-
-
-
?
UDP-galactose + N,N'-diacetylchitobiose
UDP + beta-D-Galp-(1->4)-beta-D-GlcpNAc-(1->4)-D-GlcpNAc
-
-
-
?
UDP-alpha-D-galactose + N-acetyl-beta-D-galactosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide
UDP + beta-D-galactosyl-(1->4)-N-acetyl-beta-D-galactosaminyl-(1->3)-beta-D-galactosyl-(1->4)-D-glucosyl-(1<->1)-ceramide
-
-
-
?
UDP-alpha-D-galactose + N-acetyl-beta-D-galactosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide
UDP + beta-D-galactosyl-(1->4)-N-acetyl-beta-D-galactosaminyl-(1->3)-beta-D-galactosyl-(1->4)-D-glucosyl-(1<->1)-ceramide
N-acetyl-beta-D-galactosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->)-ceramide i.e. lactotriaosylceramide. beta4Gal-T4 shows strict donor substrate specificity for UDP-Gal and did not utilize UDP-GalNAc or UDP-GlcNAc with the acceptor substrates tested
-
-
?
UDP-alpha-D-galactose + N-acetyl-beta-D-galactosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide
UDP + beta-D-galactosyl-(1->4)-N-acetyl-beta-D-galactosaminyl-(1->3)-beta-D-galactosyl-(1->4)-D-glucosyl-(1<->1)-ceramide
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absolute requirement for an N-acetylglucosamine residue in the substrate since the lyso-derivative of the acceptor glycolipid is completely inactive as substrate
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-
?
?
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free glucose is not an acceptor for the enzyme. The enzyme does not transfer galactose to asialo-agalacto-fetuin, asialo-agalactotransferrin, or ovalbumin
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-
?
additional information
?
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free glucose is not an acceptor for the enzyme. The enzyme does not transfer galactose to asialo-agalacto-fetuin, asialo-agalactotransferrin, or ovalbumin
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-
?
additional information
?
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no galactosylation of asialo, agalacto-human transferrin having biantennary complex-type oligosaccharides
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-
?