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Literature summary for 2.4.1.214 extracted from

  • Jost, F.; de Vries, T.; Knegtel, R.M.; Macher, B.A.
    Mutation of amino acids in the alpha 1,3-fucosyltransferase motif affects enzyme activity and Km for donor and acceptor substrates (2005), Glycobiology, 15, 165-175.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression of wild-type and mutant FucT VIs in COS-7 cells as soluble N-terminal protein A-fusion proteins, mutant K241A shows a low expression level Homo sapiens

Protein Variants

Protein Variants Comment Organism
E247A site-directed mutagenesis of a residue from the conserved alpha 1,3 FucT motif, below 1% activity compared to the wild-type FucT VI Homo sapiens
E257A site-directed mutagenesis of a residue from the conserved alpha 1,3 FucT motif, below 1% activity compared to the wild-type FucT VI Homo sapiens
F242A site-directed mutagenesis of a residue from the conserved alpha 1,3 FucT motif, below 1% activity compared to the wild-type FucT VI Homo sapiens
F246A site-directed mutagenesis of a residue from the conserved alpha 1,3 FucT motif, 7% activity compared to the wild-type FucT VI Homo sapiens
K241A site-directed mutagenesis of a residue from the conserved alpha 1,3 FucT motif, low expression level in COS-7 cells, below 1% activity compared to the wild-type FucT VI Homo sapiens
K258A site-directed mutagenesis of a residue from the conserved alpha 1,3 FucT motif, inactive mutant Homo sapiens
L244A site-directed mutagenesis of a residue from the conserved alpha 1,3 FucT motif, 7% activity compared to the wild-type FucT VI Homo sapiens
N248A site-directed mutagenesis of a residue from the conserved alpha 1,3 FucT motif, below 1% activity compared to the wild-type FucT VI Homo sapiens
S249A site-directed mutagenesis of a residue from the conserved alpha 1,3 FucT motif, 57% activity compared to the wild-type FucT VI Homo sapiens
T256A site-directed mutagenesis of a residue from the conserved alpha 1,3 FucT motif, below 1% activity compared to the wild-type FucT VI Homo sapiens
Y240A site-directed mutagenesis of a residue from the conserved alpha 1,3 FucT motif, 14% activity compared to the wild-type FucT VI Homo sapiens
Y254A site-directed mutagenesis of a residue from the conserved alpha 1,3 FucT motif, inactive mutant Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information kinetics of wild-type and alpha 1,3 FucT motif mutants Homo sapiens
0.019
-
GDP-L-fucose pH 6.5, recombinant wild-type FucT VI Homo sapiens
0.069
-
GDP-L-fucose pH 6.5, recombinant FucT VI mutant S249A Homo sapiens
0.11
-
GDP-L-fucose pH 6.5, recombinant FucT VI mutant F246A Homo sapiens
0.13
-
LacNAc-C8 pH 6.5, recombinant FucT VI mutants Y240A and L244A Homo sapiens
0.15
-
LacNAc-C8 pH 6.5, recombinant FucT VI mutant F246A Homo sapiens
0.22
-
GDP-L-fucose pH 6.5, recombinant FucT VI mutant Y240A Homo sapiens
0.22
-
LacNAc-C8 pH 6.5, recombinant wild-type FucT VI Homo sapiens
0.336
-
GDP-L-fucose pH 6.5, recombinant FucT VI mutant L244A Homo sapiens
1.6
-
LacNAc-C8 pH 6.5, recombinant FucT VI mutant S249A Homo sapiens

Metals/Ions

Metals/Ions Comment Organism Structure
Mn2+
-
Homo sapiens

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Purification (Commentary)

Purification (Comment) Organism
recombinant soluble protein A-fusion wild-type and mutant FucT VIs from COS-7 cells by IgG affinity chromatography Homo sapiens

Reaction

Reaction Comment Organism Reaction ID
GDP-beta-L-fucose + N4-[beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->3)-[beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-beta-D-GlcNAc]-L-asparaginyl-[protein] = GDP + N4-[beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->3)-[beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc]-L-asparaginyl-[protein] the enzyme contains the conserved alpha 1,3 FucT motif, which is crucial for activity and nucleotide sugar binding Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
GDP-L-fucose + LacNAc-C8
-
Homo sapiens GDP + alpha1,3-fucosylated LacNAc-C8
-
?
additional information substrate specificities of wild-type and alpha 1,3 FucT motif mutants, overview Homo sapiens ?
-
?

Synonyms

Synonyms Comment Organism
alpha 1,3-fucosyltransferase VI
-
Homo sapiens
FucT VI
-
Homo sapiens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5
-
assay at Homo sapiens