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2.4.1.62: ganglioside galactosyltransferase

This is an abbreviated version!
For detailed information about ganglioside galactosyltransferase, go to the full flat file.

Word Map on EC 2.4.1.62

Reaction

UDP-alpha-D-galactose
+
an N-acetyl-beta-D-galactosaminyl-(1->4)-[alpha-N-acetylneuraminyl-(2->3)]-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide
=
UDP
+
a beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-(1->4)-[alpha-N-acetylneuraminyl-(2->3)]-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide

Synonyms

B3GALT4, beta 1,3-galactosyltransferase, beta3Gal-T, ceramide galactosyltransferase, ceramide galactosyltransferase UGT8, CGT, CgtB 11168, cgtBOH HS:10, cgtBOH4384, GA1/GM1/GD1b synthase, Gal-T2, galactosyltransferase, uridine diphosphogalactose-ceramide, GALT, GalT-3, GM1-synthase, UDP galactose-LAC Tet-ceramide alpha-galactosyltransferase, UDP-galactose-ceramide galactosyltransferase, UDP-galactose-GM2 galactosyltransferase, UDP-galactose-GM2 ganglioside galactosyltransferase, UDP-galactose:beta-N-acetylglucosamine beta-1,3-galactosyltransferase, UDP-galactose:ceramide galactosyltransferase, UDP-galactose:GM2 ganglioside beta1-3 galactosyltransferase, UDP-galactose:N-acetylgalactosaminyl-(N-acetylneuraminyl) galactosyl-glucosyl-ceramide galactosyltransferase, uridine diphosphate D-galactose:glycolipid galactosyltransferase, uridine diphosphogalactose-ceramide galactosyltransferase, uridine diphosphogalactose-GM2 galactosyltransferase

ECTree

     2 Transferases
         2.4 Glycosyltransferases
             2.4.1 Hexosyltransferases
                2.4.1.62 ganglioside galactosyltransferase

Engineering

Engineering on EC 2.4.1.62 - ganglioside galactosyltransferase

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PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
DELTA20C
mutant with deletion of 20 amino acids from carboxy terminus + C-terminal MalE fusion, specific activity (mU/mg): 58.1 (substrate: GalNAcalpha), 127.5 (substrate: GalNAcbeta), 17.5 (substrate: GM2), 374 (substrate: GA2)
DELTA20N
mutant with deletion of 20 amino acids from carboxy terminus + N-terminal MalE fusion, specific activity (mU/mg): 3.3 (substrate: GalNAcalpha), 8.0 (substrate: GalNAcbeta), 2.3 (substrate: GM2), 34.4 (substrate: GA2)
DELTA30C
DELTA30N
D175A
overexpression of the mutant and -D291A does not rescue galactosylation deficiency of a knockout strain
D176A
overexpression of the mutant and -D291A does not rescue galactosylation deficiency of a knockout strain
D177A
overexpression of the mutant and -D291A does not rescue galactosylation deficiency of a knockout strain
additional information