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2.4.1.90: N-acetyllactosamine synthase

This is an abbreviated version!
For detailed information about N-acetyllactosamine synthase, go to the full flat file.

Word Map on EC 2.4.1.90

Reaction

UDP-alpha-D-galactose
+
N-acetyl-D-glucosamine
=
UDP
+
N-acetyllactosamine

Synonyms

acetyllactosamine synthetase, B4GALT1, B4GALT3, B4GalT5, beta 1,4 galactosyltransferase I, beta 1,4-galactosyltransferase 1, beta 1,4GalT II, beta 1,4GTI, beta(1,4)-galactosyltransferase, beta(1,4)-GT, beta(1-4)galactosyltransferase, beta-1,4-galactosyltransferase, beta-1,4-galactosyltransferase 1, beta-1,4-galactosyltransferase III, beta-1,4-galactosyltransferase IV, beta-1,4-galactosyltransferase-1, beta-1,4-galactosyltransferase-I, beta-1,4-galactosyltransferase-V, beta-1,4-GalT, beta-1,4-GalT-I, beta-1,4-GalT-V, beta-1,4-GT-IV, beta-1,4-N-acetylgalactosaminyltransferase, beta-N-acetylglucosaminide beta1-4-galactosyltransferase, beta1,4-Gal-transferase T1, beta1,4-galactosyltransferase, beta1,4-galactosyltransferase I, beta1,4-galactosyltransferase II, beta1,4-galactosyltransferase V, beta1,4-galactosyltransferase-1, beta1,4-galactosyltransferase-7, beta1,4-galactosyltransferase-I, beta1,4-GT, beta1,4GalT II, beta1,4GalTV, beta1-4-galactosyltransferase, beta1-4GalT, beta4Gal-T, beta4Gal-T1, beta4Gal-T7, beta4GalT, beta4GalT1, betaGALT1, beta[1-4]GalT, EC 2.4.1.98, Gal-T, galactosyltransferase, uridine diphosphogalactose-acetylglucosamine, GalNAcT, GALT, GalT1, GalT7, GalTase, GalTase-I, GTase, Hp1-4GalT, lactosamine synthase, lactosamine synthetase, lactose synthetase A protein, lactosylceramide synthase, More, N-acetyllactosamine synthetase, NAL synthetase, NmLgtB, UDP-beta-1,4-galactosyltransferase, UDP-Gal:betaGlcNAc beta-1,4-galactosyltransferase, polypeptide 5, UDP-Gal:N-acetylglucosamine beta1-4-galactosyltransferase, UDP-galactose N-acetylglucosamine beta-4-galactosyltransferase, UDP-galactose-acetylglucosamine galactosyltransferase, UDP-galactose-N-acetylglucosamine beta-1,4-galactosyltransferase, UDP-galactose-N-acetylglucosamine galactosyltransferase, UDP-galactose/N-acetylglucosamine beta1,4 galactosyltransferase, UDP-galactose: N-acetylglucosamine beta 1-4 galactosyltransferase, UDP-galactose:N-acetylglucosaminide beta1-4-galactosyltransferase, UDPgalactose-N-acetylglucosamine beta-D-galactosyltransferase, UDPgalactose:N-acetylglucosaminyl(beta1-4)galactosyltransferase, uridine diphosphogalactose-acetylglucosamine galactosyltransferase

ECTree

     2 Transferases
         2.4 Glycosyltransferases
             2.4.1 Hexosyltransferases
                2.4.1.90 N-acetyllactosamine synthase

Substrates Products

Substrates Products on EC 2.4.1.90 - N-acetyllactosamine synthase

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SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
4-methylumbelliferyl-beta-D-GlcNAc + UDP-galactose
?
show the reaction diagram
-
Hp1–4GalT specifically recognizes GlcNAc-terminated glycans as acceptors
-
-
?
UDP-alpha-D-galactose + 1-(2-naphthyl) 2-acetamido-2-deoxy-beta-D-glucopyranoside
UDP + ?
show the reaction diagram
-
-
-
-
?
UDP-alpha-D-galactose + 4-methylumbelliferyl beta-D-glucopyranoside
UDP + 4-methylumbelliferyl 4-O-beta-D-galactopyranosyl-beta-D-glucopyranoside
show the reaction diagram
-
-
-
-
?
UDP-alpha-D-galactose + 4-methylumbelliferyl-6-sulfo-N-acetyl-beta-D-glucosaminide
?
show the reaction diagram
substrate with very low efficiency
-
-
?
UDP-alpha-D-galactose + 4-nitrophenyl beta-D-glucopyranoside
?
show the reaction diagram
0.26% activity compared to 4-nitrophenyl N-acetyl-beta-D-glucosaminide
-
-
?
UDP-alpha-D-galactose + 4-nitrophenyl N-acetyl-beta-D-glucosaminide
UDP + 4-nitrophenyl N-acetyllactosamine
show the reaction diagram
100% activity
-
-
?
UDP-alpha-D-galactose + 4-nitrophenyl xylose
UDP + 4-nitrophenyl Xylbeta(1->4)Gal
show the reaction diagram
-
-
-
?
UDP-alpha-D-galactose + 6-sulfo-N-acetyl-beta-D-glucosamine
?
show the reaction diagram
substrate with very low efficiency
-
-
?
UDP-alpha-D-galactose + asialo-agalacto-transferrin
?
show the reaction diagram
-
-
-
-
?
UDP-alpha-D-galactose + galactosyl-beta-1,4-N-acetylglucosaminyl-beta-1,2-mannosyl-alpha-1,6-(N-acetylglucosaminyl-beta-1,2-mannosyl-alpha-1,3-)mannosyl-beta-1,4-N-acetylglucosaminyl-beta-1,4-(fucosyl-alpha-1,6-)N-acetylglucosaminyl-asparagine
?
show the reaction diagram
-
-
-
-
?
UDP-alpha-D-galactose + GlcNAcbeta(1->2)Manalpha(1->3)GlcNAcbeta(1->2)Manalpha(1->6)Manbeta(1->4)GlcNAc2-PA
?
show the reaction diagram
61% activity compared to Manalpha(1->3)GlcNAcbeta(1->2)Manalpha(1->6)Manbeta(1->4)GlcNAc2-PA
-
-
?
UDP-alpha-D-galactose + GlcNAcbeta(1->2)Manalpha(1->3)Manalpha(1->6)Manbeta(1->4)GlcNAc2-PA
?
show the reaction diagram
50% activity compared to Manalpha(1->3)GlcNAcbeta(1->2)Manalpha(1->6)Manbeta(1->4)GlcNAc2-PA
-
-
?
UDP-alpha-D-galactose + GlcNAcbeta(1->3)GalNAcalpha-pNP
?
show the reaction diagram
32% activity compared to 4-nitrophenyl N-acetyl-beta-D-glucosaminide
-
-
?
UDP-alpha-D-galactose + glycopeptide from porcine immunoglobulin G
?
show the reaction diagram
-
-
-
-
?
UDP-alpha-D-galactose + immunoglobulin G heavy chain
?
show the reaction diagram
-
-
-
-
?
UDP-alpha-D-galactose + Manalpha(1->3)GlcNAcbeta(1->2)Manalpha(1->6)Manbeta(1->4)GlcNAc2-PA
?
show the reaction diagram
100% activity
-
-
?
UDP-alpha-D-galactose + N-acetyl-D-galactosamine
?
show the reaction diagram
-
-
-
-
?
UDP-alpha-D-galactose + N-acetyl-D-glucosamine
UDP + N-acetyllactosamine
show the reaction diagram
UDP-alpha-D-galactose + N-acetylglucosaminyl-beta-1,2-mannosyl-alpha-1,6-(galactosyl-beta-1,4-N-acetylglucosaminyl-beta-1,2-mannosyl-alpha-1,3-)mannosyl-beta-1,4-N-acetylglucosaminyl-beta-1,4-(fucosyl-alpha-1,6-)N-acetylglucosaminyl-asparagine
?
show the reaction diagram
-
-
-
-
?
UDP-alpha-D-galactose + ovalbumin
UDP + ?
show the reaction diagram
-
-
-
-
?
UDP-alpha-D-glucose + N-acetyl-alpha-D-glucosamine
UDP + N-acetyllactosamine
show the reaction diagram
-
-
-
-
?
UDP-galactose + (beta-1,4-galactan)n
UDP + (beta-1,4-galactan)n+1
show the reaction diagram
UDP-galactose + 2-aminobenzaminated 1,4-linked beta-D-galactoheptaose
UDP + 2-aminobenzaminated 1,4-linked beta-D-galactooctaose
show the reaction diagram
-
fluorogenic synthetic acceptor substrate, elongation at the reducing end
-
-
?
UDP-galactose + 2-aminobenzaminated 1,4-linked beta-D-galactohexaose
UDP + 2-aminobenzaminated 1,4-linked beta-D-galactoheptaose
show the reaction diagram
-
fluorogenic synthetic acceptor substrate, elongation at the reducing end
-
-
?
UDP-galactose + 2-aminobenzaminated 1,4-linked beta-D-galactooligosaccharides
UDP + ?
show the reaction diagram
-
fluorogenic synthetic acceptor substrates, enzyme transfers up to 8 galactose residues to the nonreducing ends of forming beta-1,4-linkages
-
-
?
UDP-galactose + 2-aminobenzaminated 1,4-linked beta-D-galactopentaose
UDP + 2-aminobenzaminated 1,4-linked beta-D-galactohexaose
show the reaction diagram
-
fluorogenic synthetic acceptor substrate, elongation at the reducing end
-
-
?
UDP-galactose + 2-aminobenzaminated 1,4-linked beta-D-galactotetraose
UDP + 2-aminobenzaminated 1,4-linked beta-D-galactopentaose
show the reaction diagram
-
fluorogenic synthetic acceptor substrate, elongation at the reducing end
-
-
?
UDP-galactose + 3-deoxy-3-fluoro-GlcNAcbeta-Bn
UDP + Galbeta(1-4)3-deoxy-3-fluoro-GlcNAcbeta-Bn
show the reaction diagram
-
-
-
-
?
UDP-galactose + 4-methylumbelliferyl N-acetyl-beta-D-glucosamine
UDP + 4-methylumbelliferyl 4-O-beta-D-galactopyranosyl-N-acetyl-beta-D-glucosaminopyranoside
show the reaction diagram
-
NmLgtB can use both GlcNAc- and Glc-terminated glycans as acceptor substrates
-
-
?
UDP-galactose + 6-deoxy-GlcNAcbeta-Bn
UDP + Galbeta(1-4)6-deoxy-GlcNAcbeta-Bn
show the reaction diagram
-
low activity
-
-
?
UDP-galactose + 6-thio-GlcNAcbeta-Bn
UDP + Galbeta(1-4)6-thio-GlcNAcbeta-Bn
show the reaction diagram
-
low activity
-
-
?
UDP-galactose + colchicoside
?
show the reaction diagram
-
-
-
-
?
UDP-galactose + D-glucose
UDP + lactose
show the reaction diagram
-
reaction of EC 2.4.1.22
-
-
?
UDP-galactose + ginsenoside Rg1
?
show the reaction diagram
-
-
-
-
?
UDP-galactose + GlcNAcbeta(1,2)Manalpha(1,6)(GlcNAcbeta(1,2)Manalpha(1,3))Manbeta(1,4)GlcNAcbeta(1,4)GlcNAc-PA
UDP + Galbeta1,4-GlcNAcbeta(1,2)Manalpha(1,6)(GlcNAcbeta(1,2)Manalpha(1,3))Manbeta(1,4)GlcNAcbeta(1,4)GlcNAc-PA
show the reaction diagram
-
-
-
-
?
UDP-galactose + GlcNAcbeta-Bn
UDP + Galbeta(1-4)GlcNAcbeta-Bn
show the reaction diagram
-
-
-
-
?
UDP-galactose + methyl 2-acetamido-2-deoxy-beta-D-glucoside
UDP + beta-D-galactosyl-1,4-beta-1-O-methyl-2-deoxy-2-acetylamido-beta-D-glucopyranoside
show the reaction diagram
-
76% of the activity with N-acetylglucosamine
-
-
?
UDP-galactose + methyl 2-bromo-acetamido-2-deoxy-beta-D-glucoside
UDP + beta-D-galactosyl-1,4-1-O-methyl-2-bromo-acetamido-2-deoxy-beta-D-glucoside
show the reaction diagram
-
75% of the activity with N-acetylglucosamine
-
-
?
UDP-galactose + methyl 2-deoxy-2-benzamido-beta-D-glucoside
UDP + beta-D-galactosyl-1,4-1-O-methyl-2-deoxy-2-benzamido-beta-D-glucoside
show the reaction diagram
-
16% of the activity with N-acetylglucosamine
-
-
?
UDP-galactose + N-4-toluenesulfonyl-GlcN
UDP + Galbeta(1-4)N-4-toluenesulfonyl-GlcN
show the reaction diagram
-
-
-
-
?
UDP-galactose + N-acetyl-D-glucosamine
UDP + N-acetyllactosamine
show the reaction diagram
UDP-galactose + N-acetylglucosamine
UDP + N-acetyllactosamine
show the reaction diagram
UDP-galactose + N-butyryl-GlcNbeta-Bn
UDP + Galbeta(1-4)N-butyryl-GlcNbeta-Bn
show the reaction diagram
-
-
-
-
?
UDP-galactose + N-methanesulfonyl-GlcN
UDP + Galbeta(1-4)N-methanesulfonyl-GlcN
show the reaction diagram
-
-
-
-
?
UDP-galactose + N-trifluoroacetyl-GlcN
UDP + Galbeta(1-4)N-trifluoroacetyl-GlcN
show the reaction diagram
-
-
-
-
?
UDP-galactose + ovalbumin
UDP + ?
show the reaction diagram
-
-
-
-
?
UDP-galactose + T(GlcNAcbeta3GalNAcbeta)TTVTPTPTG
?
show the reaction diagram
-
-
-
-
?
UDP-galactose + T(GlcNAcbeta6GalNAcbeta)TTVTPTPTG
?
show the reaction diagram
-
-
-
-
?
UDP-galactose + T(GlcNAcbeta6[GlcNAcbeta3]GalNAcbeta)TTVTPTPTG
?
show the reaction diagram
-
-
-
-
?
UDP-galactose + TT(GlcNAcbeta3GalNAcbeta)TVTPTPTG
?
show the reaction diagram
-
-
-
-
?
UDP-galactose + TT(GlcNAcbeta6GalNAcbeta)TVTPTPTG
?
show the reaction diagram
-
-
-
-
?
UDP-galactose + TT(GlcNAcbeta6[GlcNAcbeta3]GalNAcbeta)TVTPTPTG
?
show the reaction diagram
-
-
-
-
?
UDP-galactose + TTTV (GlcNAcbeta3GalNAcbeta)TPTPTG
?
show the reaction diagram
-
-
-
-
?
UDP-galactose + TTTV(GlcNAcbeta6GalNAcbeta)TPTPTG
?
show the reaction diagram
-
-
-
-
?
UDP-galactose + TTTV(GlcNAcbeta6[GlcNAcbeta3]GalNAcbeta)TPTPTG
?
show the reaction diagram
-
-
-
-
?
UDP-galactose + TTTVTP(GlcNAcbeta3GalNAcbeta)TPTG
?
show the reaction diagram
-
-
-
-
?
UDP-galactose + TTTVTP(GlcNAcbeta6GalNAcbeta)TPTG
?
show the reaction diagram
-
-
-
-
?
UDP-galactose + TTTVTPTP(GlcNAcbeta3GalNAcbeta)TG
?
show the reaction diagram
-
-
-
-
?
UDP-galactose + TTTVTPTP(GlcNAcbeta6[GlcNAcbeta3]GalNAcbeta)TG
?
show the reaction diagram
-
-
-
-
?
UDP-GalNAc + GlcNAc
?
show the reaction diagram
UDP-glucose + colchicoside
?
show the reaction diagram
-
-
-
-
?
UDPgalactose + 2-acetamido-N-(L-aspart-4-oyl)-1,2-dideoxy-beta-glucoside
?
show the reaction diagram
-
65% of the activity with N-acetylglucosamine
-
-
?
UDPgalactose + 3-acetamido-3-deoxy-D-xylose
?
show the reaction diagram
-
-
-
-
?
UDPgalactose + agalacto-ovomucoid
?
show the reaction diagram
-
65% of the activity with N-acetylglucosamine
-
-
?
UDPgalactose + agalacto-poly-N-acetyllactosamine
?
show the reaction diagram
-
-
-
-
?
UDPgalactose + agalactokeratan
?
show the reaction diagram
-
agalactokeratan from bovine cornea and nasal septum, at 5% and 13% of the activity with N-acetylglucosamine
-
-
?
UDPgalactose + alpha1-acid glycoprotein
?
show the reaction diagram
-
-
-
-
?
UDPgalactose + asialo agalacto alpha1 acid glycoprotein
?
show the reaction diagram
-
-
-
-
?
UDPgalactose + asialo-agalacto-alpha1-glycoprotein
?
show the reaction diagram
-
42% of the activity with N-acetylglucosamine
-
-
?
UDPgalactose + asialo-agalacto-transferrin
?
show the reaction diagram
-
transfer of galactose to N-acetylglucosamine residues of Asn-linked sugar chains of glycoproteins in a beta1-4linkage
-
-
?
UDPgalactose + asialogalactofetuin
?
show the reaction diagram
-
-
-
-
?
UDPgalactose + chitobiose
?
show the reaction diagram
-
-
-
-
?
UDPgalactose + chitotriose
?
show the reaction diagram
-
-
-
-
?
UDPgalactose + degalactosylated fetuin
UDP + fetuin containing beta-1,4-galactose linkages
show the reaction diagram
UDPgalactose + di-acetylchitobiose
?
show the reaction diagram
-
54% of the activity with N-acetylglucosamine
-
-
?
UDPgalactose + fetuin
?
show the reaction diagram
-
-
-
-
?
UDPgalactose + GlcNAcbeta-S-p-NP
UDP + Galbeta1-4 GlcNAcbeta-S-p-NP
show the reaction diagram
-
-
-
?
UDPgalactose + GlcNAcbeta1-6(GlcNAcbeta1-2)Manalpha1-3Manbeta1-O(CH2)8COOCH2-mNP
UDP + Galbeta1-4 GlcNAcbeta1-6(GlcNAcbeta1-2)Manalpha1-3Manbeta1-O(CH2)8COOCH2-mNP
show the reaction diagram
-
-
-
?
UDPgalactose + glucose
lactose + UDP
show the reaction diagram
UDPgalactose + immunoglobulin heavy chain
?
show the reaction diagram
-
-
-
-
?
UDPgalactose + lacto-N-triaosylceramide
?
show the reaction diagram
-
-
-
-
?
UDPgalactose + lacto-N-triose II
?
show the reaction diagram
-
-
-
-
?
UDPgalactose + N-acetamido-3-deoxy-D-glucose
?
show the reaction diagram
-
-
-
-
?
UDPgalactose + N-acetyl-beta-D-glucosaminyl-glycopeptide
UDP + beta-D-galactosyl-1,4-N-acetyl-beta-D-glucosaminylglycopeptide
show the reaction diagram
UDPgalactose + N-acetylglucosamine
UDP + N-acetyllactosamine
show the reaction diagram
UDPgalactose + N-acetylglucosaminyl at the non-reducing ends of protein-bound oligosaccharides
?
show the reaction diagram
UDPgalactose + N-acetylglucosaminyl-beta-1,2-mannosyl-alpha-1,6-(N-acetylglucosaminyl-beta-1,2-mannosyl-alpha-1,3-)mannosyl-beta-1,4-N-acetylglucosaminyl-beta-1,4-(fucosyl-alpha-1,6-)N-acetylglucosaminyl-asparagine
UDP + galactosyl-beta-1,4-N-acetylglucosaminyl-beta-1,2-mannosyl-alpha-1,6-(galactosyl-beta-1,4-N-acetylglucosaminyl-beta-1,2-mannosyl-alpha-1,3-)mannosyl-beta-1,4-N-acetylglucosaminyl-beta-1,4-(fucosyl-alpha-1,6-)N-acetylglucosaminyl-asparagine
show the reaction diagram
-
-
galactose is transferred much faster to the N-acetylglucosaminyl-beta-1,2-mannosyl-alpha-1,3-branch than to the N-acetylglucosaminyl-beta-1,2-mannosyl-alpha-1,6-branch
?
UDPgalactose + N-acetylglucosaminyl-beta-1,3-(galactosyl-beta-1,4-N-acetylglucosaminyl-beta-1,6-)galactose
UDP + galactosyl-beta-1,4-N-acetylglucosaminyl-beta-1,3-(galactosyl-beta-1,4-N-acetylglucosaminyl-beta-1,6-)galactose
show the reaction diagram
-
-
-
-
?
UDPgalactose + N-acetylglucosaminyl-beta-1,3-(N-acetylglucosaminyl-beta-1,6-)galactose
UDP + galactosyl-beta-1,4-N-acetylglucosaminyl-beta-1,3-(N-acetylglucosaminyl-beta-1,6-)galactose
show the reaction diagram
-
-
-
-
?
UDPgalactose + N-acetylglucosaminyl-beta-1,3-galactose
UDP + galactosyl-beta-1,4-N-acetylglucosaminyl-beta-1,3-galactose
show the reaction diagram
-
-
-
-
?
UDPgalactose + N-acetylglucosaminyl-beta-1,6-galactose
UDP + galactosyl-beta-1,4-N-acetylglucosaminyl-beta-1,6-galactose
show the reaction diagram
-
-
-
-
?
UDPgalactose + ovalbumin
?
show the reaction diagram
UDPgalactose + ovomucoid
UDP + ovomucoid with beta-1,4-bound galactose
show the reaction diagram
-
-
-
?
UDPgalactose + p-nitrophenyl 2-acetamido-2-deoxy-beta-glucoside
?
show the reaction diagram
UDPgalactose + tri-N-acetylchitotriose
?
show the reaction diagram
-
64% of the activity with N-acetylglucosamine
-
-
?
UDPgalactose + UDPglucose
UDP + lactose
show the reaction diagram
-
-
-
?
additional information
?
-