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EC 2.4.1.165 Details
EC number
2.4.1.165
Accepted name
N-acetylneuraminylgalactosylglucosylceramide β-1,4-N-acetylgalactosaminyltransferase
Reaction
UDP-N-acetyl-α-D-galactosamine + α-N-acetylneuraminyl-(2→3)-β-D-galactosyl-(1→4)-β-D-glucosyl-(1↔1)-ceramide = UDP + N-acetyl-β-D-galactosaminyl-(1→4)-[α-N-acetylneuraminyl-(2→3)]-β-D-galactosyl-(1→4)-β-D-glucosyl-(1↔1)-ceramide
Other name(s)
uridine diphosphoacetylgalactosamine-acetylneuraminyl(α2→3)galactosyl(β1→4)glucosyl β1→4-acetylgalactosaminyltransferase, UDP-N-acetyl-D-galactosamine:N-acetylneuraminyl-2,3-α-D-galactosyl-1,4-β-D-glucosylceramide β-1,4-N-acetylgalactosaminyltransferase, UDP-N-acetyl-D-galactosamine:N-acetylneuraminyl-(2→3)-α-D-galactosyl-(1→4)-β-D-glucosyl(1↔1)ceramide 4-β-N-acetylgalactosaminyltransferase, UDP-N-acetyl-D-galactosamine:N-acetylneuraminyl-(2→3)-α-D-galactosyl-(1→4)-β-D-glucosyl-(1↔1)-ceramide 4-β-N-acetylgalactosaminyltransferase
Systematic name
UDP-N-acetyl-α-D-galactosamine:α-N-acetylneuraminyl-(2→3)-β-D-galactosyl-(1→4)-β-D-glucosyl-(1↔1)-ceramide 4-β-N-acetylgalactosaminyltransferase
CAS registry number
109136-50-7
Comment
Requires Mn2+. Only substances containing sialic acid residues can act as acceptors; bovine fetuin is the best acceptor tested.
History
created 1989
EC Tree
2.4.1.3 created 1961, deleted 1972
2.4.1.6 created 1961, deleted 1972
2.4.1.42 created 1972, deleted 1984
2.4.1.51 created 1972, deleted 1984
2.4.1.55 created 1972, deleted 1982
2.4.1.59 created 1972, deleted 1984
2.4.1.61 created 1972, deleted 1984
2.4.1.72 created 1972, deleted 1976
2.4.1.75 created 1976, deleted 2005
2.4.1.76 created 1976, deleted 1984
2.4.1.77 created 1976, deleted 1984
2.4.1.84 created 1976, deleted 1984
2.4.1.89 created 1976, deleted 1984
2.4.1.93 created 1976, deleted 2004
2.4.1.98 created 1980, deleted 1984
2.4.1.107 created 1983, deleted 1984
2.4.1.108 created 1983, deleted 1984
2.4.1.124 created 1984, deleted 2002
2.4.1.151 created 1984, deleted 2002
2.4.1.169 created 1989, deleted 2003
2.4.1.200 created 1992, deleted 2004
2.4.1.204 created 1992, deleted 2003
2.4.1.233 created 2004, deleted 2005