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Literature summary for 5.3.1.9 extracted from

  • Pradhan, P.G.; Nadkarni, G.B.
    Functional multiplicity of phosphoglucose isomerase from Lactobacillus casei (1980), Biochim. Biophys. Acta, 615, 465-473.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
erythrose 4-phosphate activates enzyme form B with ribose 5-phosphate as substrate, inhibits activity of enzyme form A and B with glucose 6-phosphate as substrate, inhibits activity of enzyme form A with glucose 6-phosphate as substrate Lacticaseibacillus casei
Maleic anhydride
-
Lacticaseibacillus casei

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
34000
-
2 * 34000, enzyme form B, gel filtration after equilibration with SDS Lacticaseibacillus casei
34000
-
4 * 34000, enzyme form A, gel filtration after equilibration with SDS Lacticaseibacillus casei
67700
-
enzyme form B, gel filtration Lacticaseibacillus casei
135000
-
enzyme form A, gel filtration Lacticaseibacillus casei

Organism

Organism UniProt Comment Textmining
Lacticaseibacillus casei
-
-
-

Purification (Commentary)

Purification (Comment) Organism
multiple forms: A, B and C Lacticaseibacillus casei

Storage Stability

Storage Stability Organism
-10°C, in magnesium acetate solution, stable for several weeks Lacticaseibacillus casei

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Glucose 6-phosphate
-
Lacticaseibacillus casei Fructose 6-phosphate
-
?

Subunits

Subunits Comment Organism
dimer 2 * 34000, enzyme form B, gel filtration after equilibration with SDS Lacticaseibacillus casei
tetramer 4 * 34000, enzyme form A, gel filtration after equilibration with SDS Lacticaseibacillus casei

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
3
-
ribose 5-phosphate, enzyme form A Lacticaseibacillus casei
7
-
ribose 5-phosphate, enzyme form B Lacticaseibacillus casei
7.5
-
glucose 6-phosphate, enzyme forms A and B Lacticaseibacillus casei