Activating Compound | Comment | Organism | Structure |
---|---|---|---|
Cys | 1-10 mM, activates | Lilium auratum | |
reduced glutathione | activates | Lilium auratum |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
fructose 6-phosphate | slight inhibition | Lilium auratum | |
PCMB | - |
Lilium auratum |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.65 | - |
sucrose | invertase 1 | Lilium auratum | |
0.98 | - |
sucrose | invertase 2 | Lilium auratum |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
cell wall | invertase 2, enzyme can not released by treatment with detergents or high salt concentrations | Lilium auratum | 5618 | - |
cytoplasm | invertase 1 | Lilium auratum | 5737 | - |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Co2+ | activates | Lilium auratum |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
450000 | - |
gel filtration | Lilium auratum |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Lilium auratum | - |
- |
- |
Posttranslational Modification | Comment | Organism |
---|---|---|
glycoprotein | invertase 1 is a glycoprotein | Lilium auratum |
Purification (Comment) | Organism |
---|---|
invertase 1, partial | Lilium auratum |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
pollen | - |
Lilium auratum | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
2970 | - |
- |
Lilium auratum |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
melizitose + H2O | no activity with melizitose | Lilium auratum | ? | - |
? | |
raffinose + H2O | 5.0% of the activity with sucrose | Lilium auratum | fructose + melibiose | - |
? | |
stachyose + H2O | 2.6% of the activity with sucrose | Lilium auratum | ? | - |
? | |
sucrose + H2O | - |
Lilium auratum | D-fructose + D-glucose | - |
? |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
20 min, 60% loss of invertase 1 activity, 8% loss of invertase 2 activity | Lilium auratum |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
4 | - |
invertase 1 | Lilium auratum |
5.6 | - |
invertase 2 | Lilium auratum |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
3 | 5.4 | about 65% of maximal activity at pH 3.0 and at pH 5.4, cytoplasmic enzyme | Lilium auratum |
4.8 | 7.4 | pH 4.8: about 55% of maximal activity, pH 7.4: about 40% of maximal activity, pollen wall enzyme | Lilium auratum |