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EC 2.4.1.222 Details
EC number
2.4.1.222
Accepted name
O-fucosylpeptide 3-β-N-acetylglucosaminyltransferase
Reaction
UDP-N-acetyl-α-D-glucosamine + [protein with EGF-like domain]-3-O-(α-L-fucosyl)-(L-serine/L-threonine) = UDP + [protein with EGF-like domain]-3-O-[N-acetyl-β-D-glucosaminyl-(1→3)-α-L-fucosyl]-(L-serine/L-threonine)
Other name(s)
O-fucosylpeptide β-1,3-N-acetylglucosaminyltransferase, fringe, UDP-D-GlcNAc:O-L-fucosylpeptide 3-β-N-acetyl-D-glucosaminyltransferase
Systematic name
UDP-N-acetyl-α-D-glucosamine:[protein with EGF-like domain]-3-O-(α-L-fucosyl)-(L-serine/L-threonine) 3-β-N-acetyl-D-glucosaminyltransferase (configuration-inverting)
CAS registry number
299203-70-6
Comment
The enzyme, found in animals and plants, is involved in the biosynthesis of the tetrasaccharides α-Neu5Ac-(2→3)-β-D-Gal-(1→4)-β-D-GlcNAc-(1→3)-α-L-Fuc and α-Neu5Ac-(2→6)-β-D-Gal-(1→4)-β-D-GlcNAc-(1→3)-α-L-Fuc, which are attached to L-Ser or L-Thr residues within the sequence Cys-Xaa-Xaa-Gly-Gly-Ser/Thr-Cys in EGF-like domains in Notch and Factor-X proteins, respectively. The substrate is provided by EC 2.4.1.221, peptide-O-fucosyltransferase.
History
created 2002, modified 2022
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