Activating Compound | Comment | Organism | Structure |
---|---|---|---|
Triton X-100 | maximal activity occurs when the substrate is added as Triton X-100/phosphatidylinositol mixed micelles | Daucus carota |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
adenosine | 0.1 mM, no effect | Daucus carota | |
ADP | up to 0.1 mM, no effect | Daucus carota | |
Ca2+ | 0.01 mM to 1 mM: no effect | Daucus carota |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.4 | - |
ATP | pH 8.0, 25°C | Daucus carota |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | 0.01-1 mM, no effect | Daucus carota | |
Mg2+ | divalent cation required. At 1-5 mM, Mn2+ is more effective than Mg2+ in increasing enzyme activity. Maximal activity occurs at 25-40 mM | Daucus carota | |
Mn2+ | divalent cation required. At 1-5 mM, Mn2+ is more effective than Mg2+ in increasing enzyme activity | Daucus carota |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
80000 | - |
1 * 80000, SDS-PAGE | Daucus carota |
83000 | - |
gel filtration | Daucus carota |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Daucus carota | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Daucus carota |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
cell suspension culture | - |
Daucus carota | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.0075 | - |
- |
Daucus carota |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + 1-phosphatidyl-1D-myo-inositol | - |
Daucus carota | ADP + 1-phosphatidyl-1D-myo-inositol 4-phosphate | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 80000, SDS-PAGE | Daucus carota |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8 | 8.5 | - |
Daucus carota |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
6.5 | 8.5 | pH 6.5: about 40% of maximal activity, pH 8.0-8.5: optimium | Daucus carota |