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Literature summary extracted from

  • Sgorbath, B.; Lenaz, G.; Casalicchio, F.
    Purification and properties of two fructose-6-phosphate phosphoketolase in Bifidobacterium (1976), Antonie van Leeuwenhoek, 42, 49-57.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
4.1.2.22 (NH4)2SO4
-
Bifidobacterium dentium
4.1.2.22 (NH4)2SO4
-
Bifidobacterium pseudolongum subsp. globosum
4.1.2.22 hydroxylamine
-
Bifidobacterium dentium
4.1.2.22 hydroxylamine
-
Bifidobacterium pseudolongum subsp. globosum
4.1.2.22 Iodosobenzoate
-
Bifidobacterium dentium
4.1.2.22 Iodosobenzoate
-
Bifidobacterium pseudolongum subsp. globosum
4.1.2.22 p-hydroxymercuribenzoate
-
Bifidobacterium dentium
4.1.2.22 p-hydroxymercuribenzoate
-
Bifidobacterium pseudolongum subsp. globosum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4.1.2.22 1.4
-
fructose 6-phosphate
-
Bifidobacterium pseudolongum subsp. globosum
4.1.2.22 39
-
fructose 6-phosphate
-
Bifidobacterium dentium

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
4.1.2.22 Mg2+ maximal activation in presence of Mg2+ Bifidobacterium pseudolongum subsp. globosum
4.1.2.22 Mg2+ 45% of the activation with Mn2+ Bifidobacterium dentium
4.1.2.22 Mn2+ 44% of the activation with Mg2+ Bifidobacterium pseudolongum subsp. globosum
4.1.2.22 Mn2+ maximal activation with Mn2+ Bifidobacterium dentium

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
4.1.2.22 160000
-
gel filtration Bifidobacterium dentium
4.1.2.22 290000
-
gel filtration Bifidobacterium pseudolongum subsp. globosum

Organism

EC Number Organism UniProt Comment Textmining
4.1.2.22 Bifidobacterium dentium
-
-
-
4.1.2.22 Bifidobacterium pseudolongum subsp. globosum
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.1.2.22
-
Bifidobacterium pseudolongum subsp. globosum
4.1.2.22
-
Bifidobacterium dentium

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.1.2.22 24
-
-
Bifidobacterium pseudolongum subsp. globosum
4.1.2.22 30
-
-
Bifidobacterium dentium

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.1.2.22 D-Fructose 6-phosphate + phosphate
-
Bifidobacterium pseudolongum subsp. globosum Acetyl phosphate + D-erythrose 4-phosphate + H2O
-
?
4.1.2.22 D-Fructose 6-phosphate + phosphate
-
Bifidobacterium dentium Acetyl phosphate + D-erythrose 4-phosphate + H2O
-
?
4.1.2.22 D-ribose 5-phosphate + phosphate 13.3% of the activity with D-fructose 6-phosphate Bifidobacterium dentium ?
-
?
4.1.2.22 D-ribose 5-phosphate + phosphate 25% of the activity with D-fructose 6-phosphate Bifidobacterium pseudolongum subsp. globosum ?
-
?
4.1.2.22 D-ribose 5-phosphate + phosphate 208% of the activity with D-fructose 6-phosphate Bifidobacterium pseudolongum subsp. globosum ?
-
?
4.1.2.22 Fructose 1-6-diphosphate + phosphate 13.3% of the activity with D-fructose 6-phosphate Bifidobacterium dentium ?
-
?
4.1.2.22 Fructose 1-6-diphosphate + phosphate 20.8% of the activity with D-fructose 6-phosphate Bifidobacterium pseudolongum subsp. globosum ?
-
?
4.1.2.22 Sedoheptulose 7-phosphate + phosphate 13.3% of the activity with D-fructose 6-phosphate Bifidobacterium dentium ?
-
?
4.1.2.22 Sedoheptulose 7-phosphate + phosphate 16.6% of the activity with D-fructose 6-phosphate Bifidobacterium pseudolongum subsp. globosum ?
-
?
4.1.2.22 Xylulose 5-phosphate + phosphate 166% of the activity with D-fructose 6-phosphate Bifidobacterium pseudolongum subsp. globosum ?
-
?
4.1.2.22 Xylulose 5-phosphate + phosphate 6.6% of the activity with D-fructose 6-phosphate Bifidobacterium dentium ?
-
?

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
4.1.2.22 57
-
5 min, stable Bifidobacterium pseudolongum subsp. globosum
4.1.2.22 57
-
5 min, 40% loss of activity Bifidobacterium dentium
4.1.2.22 65
-
5 min, about 65% loss of activity Bifidobacterium pseudolongum subsp. globosum
4.1.2.22 65
-
5 min, about 45% loss of activity Bifidobacterium dentium
4.1.2.22 80
-
5 min, complete loss of activity Bifidobacterium dentium
4.1.2.22 80
-
5 min, about 85% loss of activity Bifidobacterium pseudolongum subsp. globosum

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.1.2.22 5 6
-
Bifidobacterium pseudolongum subsp. globosum
4.1.2.22 7
-
-
Bifidobacterium dentium

pH Range

EC Number pH Minimum pH Maximum Comment Organism
4.1.2.22 4 8 pH 4.0: about 40% of maximal activity, pH 9.0: about 30% of maximal activity Bifidobacterium pseudolongum subsp. globosum
4.1.2.22 4 9 about 30% of maximal activity at pH 4.0 and at pH 9.0 Bifidobacterium dentium