EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
3.2.1.26 | CuSO4 | acid invertase is inhibited about 50% by 4.8 mM CuSO4. Alkaline invertase is inhibited by 0.6 mMCuSO4 up to 50% | Pisum sativum | |
3.2.1.26 | HgCl2 | does not affect acid invertase activity, 0.05 mM HgCl2 inhibits alkaline invertase activity by about 50% | Pisum sativum | |
3.2.1.26 | Tris-HCl | Tris-HCl does not affect acid invertase activity up to 14 mM, 10 mM Tris-HCl inhibits alkaline invertase activity by about 50% | Pisum sativum |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
3.2.1.26 | 1.8 | - |
sucrose | acid invertase, pH 6.5, 37°C | Pisum sativum | |
3.2.1.26 | 38.6 | - |
sucrose | alkaline invertase, pH 6.5, 37°C | Pisum sativum |
EC Number | Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|---|
3.2.1.26 | soluble | - |
Pisum sativum | - |
- |
EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|---|
3.2.1.26 | 22000 | - |
x * 22000 and x * 45000, acid invertase, x * 30000, alkaline invertase, SDS-PAGE | Pisum sativum |
3.2.1.26 | 30000 | - |
x * 22000 and x * 45000, acid invertase, x * 30000, alkaline invertase, SDS-PAGE | Pisum sativum |
3.2.1.26 | 45000 | - |
x * 22000 and x * 45000, acid invertase, x * 30000, alkaline invertase, SDS-PAGE | Pisum sativum |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
3.2.1.26 | Pisum sativum | - |
- |
- |
EC Number | Purification (Comment) | Organism |
---|---|---|
3.2.1.26 | both soluble acid and alkaline invertase | Pisum sativum |
EC Number | Source Tissue | Comment | Organism | Textmining |
---|---|---|---|---|
3.2.1.26 | shoot | shoot of etiolated seedling | Pisum sativum | - |
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
3.2.1.26 | 0.82 | - |
pH 6.5, 37°C, alkaline invertase | Pisum sativum |
3.2.1.26 | 16.6 | - |
pH 6.5, 37°C, acid invertase | Pisum sativum |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
3.2.1.26 | melizitose + H2O | acid invertase, 4.6% of the activity with sucrose, alkaline invertase, 3.1% of the activity with sucrose | Pisum sativum | ? | - |
? | |
3.2.1.26 | raffinose + H2O | acid invertase, 38.9% of the activity with sucrose, alkaline invertase, 40.0% of the activity with sucrose | Pisum sativum | beta-D-fructose + melibiose | - |
? | |
3.2.1.26 | sucrose + H2O | - |
Pisum sativum | beta-D-fructose + alpha-D-glucose | - |
? |
EC Number | Subunits | Comment | Organism |
---|---|---|---|
3.2.1.26 | ? | x * 22000 and x * 45000, acid invertase, x * 30000, alkaline invertase, SDS-PAGE | Pisum sativum |
EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|---|
3.2.1.26 | 37 | - |
both acid and alkaline invertase | Pisum sativum |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
3.2.1.26 | 5.3 | - |
acid invertase | Pisum sativum |
3.2.1.26 | 7.3 | - |
alkaline invertase | Pisum sativum |
EC Number | pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|---|
3.2.1.26 | 4 | 7.5 | acid invertase | Pisum sativum |
3.2.1.26 | 5 | 9 | alkaline invertase | Pisum sativum |
EC Number | Organism | Comment | pI Value Maximum | pI Value |
---|---|---|---|---|
3.2.1.26 | Pisum sativum | isoelectric focusing, alkaline invertase | - |
5.7 |
3.2.1.26 | Pisum sativum | isoelectric focusing, acid invertase | - |
7 |