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Literature summary extracted from

  • Goldberg, M.; Fessenden, J.M.; Racker, E.
    Phosphoketolase (1966), Methods Enzymol., 9, 515-520.
No PubMed abstract available

Activating Compound

EC Number Activating Compound Comment Organism Structure
4.1.2.9 EDTA stimulates Leuconostoc mesenteroides
4.1.2.9 Sodium borate stimulate Leuconostoc mesenteroides
4.1.2.9 sulfhydryl compounds stimulates Leuconostoc mesenteroides

Crystallization (Commentary)

EC Number Crystallization (Comment) Organism
4.1.2.9
-
Leuconostoc mesenteroides

Inhibitors

EC Number Inhibitors Comment Organism Structure
4.1.2.9 acetyl-CoA no inhibition Leuconostoc mesenteroides
4.1.2.9 erythrose 4-phosphate
-
Leuconostoc mesenteroides
4.1.2.9 glyceraldehyde 3-phosphate
-
Leuconostoc mesenteroides
4.1.2.9 p-hydroxymercuribenzoate
-
Leuconostoc mesenteroides

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4.1.2.9 4.7
-
D-xylulose 5-phosphate
-
Leuconostoc mesenteroides
4.1.2.9 29
-
fructose 6-phosphate
-
Leuconostoc mesenteroides

Organism

EC Number Organism UniProt Comment Textmining
4.1.2.9 Leuconostoc mesenteroides
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.1.2.9
-
Leuconostoc mesenteroides

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.1.2.9 9.9
-
-
Leuconostoc mesenteroides

Storage Stability

EC Number Storage Stability Organism
4.1.2.9 -55°C, several years with little loss of activity Leuconostoc mesenteroides
4.1.2.9 thioglycerol, 12 mM, required for long-term storage Leuconostoc mesenteroides

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.1.2.9 D-fructose 6-phosphate + phosphate
-
Leuconostoc mesenteroides ?
-
?
4.1.2.9 D-Xylulose 5-phosphate + phosphate
-
Leuconostoc mesenteroides Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.1.2.9 5.8 7.6
-
Leuconostoc mesenteroides

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
4.1.2.9 4.5 5.5 most stable in the range Leuconostoc mesenteroides