Inhibitors | Comment | Organism | Structure |
---|---|---|---|
additional information | not inhibitory: AMP, ADP, ATP, GMP, GDP, GTP, cAMP, cGMP, acetyl-CoA, acetyl phosphate, glucose 6-phosphate, glucose 1-phosphate, fructose 1,6-diphosphate, L-histidine, D-histidine | Escherichia coli |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0105 | - |
histidine-containing protein | 23°C, pH6.5 | Escherichia coli | |
0.18 | - |
phosphoenolpyruvate | 23°C, pH6.5 | Escherichia coli |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
soluble | - |
Escherichia coli | - |
- |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
65000 | - |
2 * 65000, SDS-PAGE, gel filtration at 4-6°C | Escherichia coli |
135000 | - |
gel filtration at room temperature, sedimentation velocity | Escherichia coli |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Escherichia coli | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Escherichia coli |
Reaction | Comment | Organism | Reaction ID |
---|---|---|---|
phosphoenolpyruvate + protein histidine = pyruvate + protein Npi-phospho-L-histidine | bi-bi ping-pong mechanism | Escherichia coli |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
95 | - |
- |
Escherichia coli |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
phosphoenolpyruvate + histidine-containing protein | - |
Escherichia coli | pyruvate + phosphorylated histidine-containing protein | - |
? |
Subunits | Comment | Organism |
---|---|---|
dimer | the enzyme is dimeric at room temperature and dissociates to a catalytically not active monomer at 4-6°C | Escherichia coli |
dimer | 2 * 65000, SDS-PAGE, gel filtration at 4-6°C | Escherichia coli |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
23 | - |
assay at | Escherichia coli |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.2 | - |
- |
Escherichia coli |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
5.8 | 8.5 | less than 50% of maximal activity above and below | Escherichia coli |