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Literature summary for 2.7.7.10 extracted from

  • Lee, L.J.; Kimura, A.; Tochikura, T.
    Purification and properties of UDP-glucose (UDP-galactose) pyrophosphorylase from Bifidobacterium bifidum (1979), J. Biochem., 86, 923-928.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
3-phosphoglycerate slight activation Bifidobacterium bifidum
D-erythrose 4-phosphate slight activation Bifidobacterium bifidum
D-fructose 6-phosphate slight activation Bifidobacterium bifidum

Inhibitors

Inhibitors Comment Organism Structure
additional information no inhibitors of UDP-galactose pyrophosphorolysis are alpha-D-glucose 1-phosphate, alpha-D-galactose 1-phosphate or galactose 6-phosphate Bifidobacterium bifidum
UDP-galactose UDP-glucose pyrophosphorolysis or UDP-galactose synthesis Bifidobacterium bifidum
UDP-glucose UDP-galactose pyrophosphorolysis Bifidobacterium bifidum
UDP-xylose UDP-galactose or UDP-glucose synthesis Bifidobacterium bifidum
UTP UDP-galactose pyrophosphorolysis Bifidobacterium bifidum

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ requirement Bifidobacterium bifidum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
51000
-
4 * 51000, SDS-PAGE Bifidobacterium bifidum
200000
-
gel filtration Bifidobacterium bifidum

Organism

Organism UniProt Comment Textmining
Bifidobacterium bifidum
-
glucose-grown
-

Purification (Commentary)

Purification (Comment) Organism
-
Bifidobacterium bifidum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
diphosphate + UDP-xylose at 10% the rate of UDP-glucose or UDP-galactose Bifidobacterium bifidum ?
-
r
additional information no activity in the reverse reaction with UDP-N-acetylglucosamine, ADP-glucose, CDP-glucose, GDP-mannose or TDP-glucose Bifidobacterium bifidum ?
-
?
UTP + alpha-D-galactose 1-phosphate reverse reaction at the same rate as UDP-glucose Bifidobacterium bifidum diphosphate + UDP-galactose
-
r
UTP + alpha-D-glucose 1-phosphate reverse reaction at the same rate as UDP-galactose Bifidobacterium bifidum diphosphate + UDP-glucose
-
r

Subunits

Subunits Comment Organism
tetramer 4 * 51000, SDS-PAGE Bifidobacterium bifidum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Bifidobacterium bifidum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.5 7 broad Bifidobacterium bifidum