General Stability | Organism |
---|---|
recovery of isoenzyme AIV II activity in purification is less than that of isoenzyme AIV II due to its lower stability | Pyrus pyrifolia |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
3.33 | - |
sucrose | pH 4.5, 30°C, isoenzyme AIV I | Pyrus pyrifolia | |
4.58 | - |
sucrose | pH 4.5, 30°C, isoenzyme AIV II | Pyrus pyrifolia |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
66000 | - |
isoenzyme AIV I, gel filtration | Pyrus pyrifolia |
80000 | - |
1 * 80000, isoenzyme AIV I, SDS-PAGE | Pyrus pyrifolia |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Pyrus pyrifolia | - |
- |
- |
Purification (Comment) | Organism |
---|---|
isoenzyme AIV I and AIV II | Pyrus pyrifolia |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
fruit | - |
Pyrus pyrifolia | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
140.4 | - |
- |
Pyrus pyrifolia |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | no hydrolysis of lactose, maltose, trehalose, melizitose and melibiose | Pyrus pyrifolia | ? | - |
? | |
raffinose + H2O | about 20% of the activity with sucrose, isoenzyme AIV I and AIV II | Pyrus pyrifolia | beta-D-fructose + melibiose | - |
? | |
stachyose + H2O | about 20% of the activity with sucrose, isoenzyme AIV I and AIV II | Pyrus pyrifolia | ? | - |
? | |
sucrose + H2O | isoenzyme AIV I and AIV II | Pyrus pyrifolia | beta-D-fructose + alpha-D-glucose | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 80000, isoenzyme AIV I, SDS-PAGE | Pyrus pyrifolia |
Synonyms | Comment | Organism |
---|---|---|
AIV | - |
Pyrus pyrifolia |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
4.5 | - |
pH-optimum | Pyrus pyrifolia |