General Stability | Organism |
---|---|
freezing and thawing after elution from the first DEAE-cellulose column results in 30% loss of activity | Pisum sativum |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
ATP | - |
Pisum sativum | |
D-fructose | - |
Pisum sativum | |
D-fructose 6-phosphate | 25% inhibition at 6 mM | Pisum sativum | |
D-glucose | no inhibition | Pisum sativum | |
D-glucose 6-phosphate | 25% inhibition at 6 mM | Pisum sativum | |
Mg2+ | inhibition by excess of either MgCl2 or ATP | Pisum sativum |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | - |
Pisum sativum | |
0.06 | - |
ATP | 30°C, pH 8 | Pisum sativum | |
0.06 | - |
D-fructose | 30°C, pH 8 | Pisum sativum | |
0.06 | - |
ATP | ATP in form of MgATP2- | Pisum sativum | |
0.14 | - |
D-glucose | 30°C, pH 8 | Pisum sativum |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Cs+ | slight stimulation | Pisum sativum | |
K+ | stimulates | Pisum sativum | |
Li+ | slight stimulation | Pisum sativum | |
Mg2+ | required | Pisum sativum | |
Mg2+ | Km: 0.06 mM for MgATP2- | Pisum sativum | |
Mg2+ | maximal activity when ATP and MgCl2 are present at approximately equal concentrations, inhibition by excess of either MgCl2 or ATP | Pisum sativum | |
Na+ | slight stimulation | Pisum sativum | |
NH4+ | stimulates | Pisum sativum | |
Rb+ | stimulates | Pisum sativum |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + D-fructose | Pisum sativum | - |
ADP + D-fructose 6-phosphate | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Pisum sativum | - |
L. var. Progress | - |
Purification (Comment) | Organism |
---|---|
isoenzyme fructokinase III | Pisum sativum |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
seed | - |
Pisum sativum | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.094 | - |
- |
Pisum sativum |
Storage Stability | Organism |
---|---|
-18°C, stable for at least 2 months | Pisum sativum |
4°C, 50% loss of activity after 24 h | Pisum sativum |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + D-fructose | - |
Pisum sativum | ADP + D-fructose 6-phosphate | - |
? | |
ATP + D-fructose | specific for fructose | Pisum sativum | ADP + D-fructose 6-phosphate | - |
? | |
ATP + D-glucose | - |
Pisum sativum | ADP + D-glucose 6-phosphate | - |
? | |
additional information | - |
Pisum sativum | ? | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | - |
assay at | Pisum sativum |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8 | - |
- |
Pisum sativum |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
7.4 | 8.4 | more than 90% of activity maximum at pH 7.4 and pH 8.4 | Pisum sativum |