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Literature summary for 3.5.99.6 extracted from

  • Friedman, S.; Benson, R.L.
    Glucosaminephosphate isomerase from house flies (1975), Methods Enzymol., 41B, 400-407.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
2-deoxyglucose 6-phosphate activates Musca domestica
6-phosphogluconate activates Musca domestica
D-glucose 6-phosphate activates Musca domestica
D-mannose 6-phosphate
-
Musca domestica
N-acetylglucosamine 6-phosphate activates Musca domestica

Inhibitors

Inhibitors Comment Organism Structure
phosphate slight inhibition Musca domestica

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4.2
-
NH4+ pH 8.5, 37°C, in presence of glucose 6-phosphate Musca domestica
4.8
-
D-fructose 6-phosphate pH 8.5, 37°C, in presence of 10 mM glucose 6-phosphate Musca domestica
17
-
D-glucosamine 6-phosphate pH 8.5, 37°C, in absence of activators, or in presence of glucose 6-phosphate Musca domestica
36
-
D-fructose 6-phosphate pH 8.5, 37°C, in absence of activators Musca domestica

Metals/Ions

Metals/Ions Comment Organism Structure
arsenate activates Musca domestica

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
154000
-
sucrose density gradient centrifugation Musca domestica

Organism

Organism UniProt Comment Textmining
Musca domestica
-
-
-
Sarcophaga bullata
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Musca domestica

Source Tissue

Source Tissue Comment Organism Textmining
pupa
-
Musca domestica
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-glucosamine 6-phosphate + H2O
-
Sarcophaga bullata D-fructose 6-phosphate + NH3
-
?
D-glucosamine 6-phosphate + H2O
-
Musca domestica D-fructose 6-phosphate + NH3
-
r

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.1 7.3 in absence of activators Musca domestica
8.2 8.4 in presence of phosphate and D-glucose 6-phosphate Musca domestica