Inhibitors | Comment | Organism | Structure |
---|---|---|---|
arsenate | 8% residual activity at 5 mM | Arabidopsis thaliana | |
Cu2+ | 2% residual activity at 5 mM | Arabidopsis thaliana | |
Fe2+ | complete inhibition at 5 mM | Arabidopsis thaliana | |
molybdate | 7% residual activity at 5 mM | Arabidopsis thaliana | |
NaF | 53% residual activity at 5 mM | Arabidopsis thaliana | |
phosphate | 31% residual activity at 5 mM | Arabidopsis thaliana | |
vanadate | complete inhibition at 5 mM | Arabidopsis thaliana | |
Zn2+ | 10% residual activity at 5 mM | Arabidopsis thaliana |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
vacuole | - |
Arabidopsis thaliana | 5773 | - |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Ba2+ | 21% increase of activity at 5 mM | Arabidopsis thaliana | |
Co2+ | 47% increase of activity at 5 mM | Arabidopsis thaliana | |
Mg2+ | preferred divalent cation activator, 90% increase of activity at 5 mM | Arabidopsis thaliana | |
Mn2+ | 44% increase of activity at 5 mM | Arabidopsis thaliana | |
additional information | no effect on APase activity when the reaction mixture (lacking Mg2+) contains 5 mM KCl or 5 mM EDTA | Arabidopsis thaliana |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
51000 | - |
2 * 51000, predicted size of the mature polypeptide | Arabidopsis thaliana |
55000 | - |
2 * 55000, gel filtration | Arabidopsis thaliana |
102000 | - |
predicted size of the mature polypeptide | Arabidopsis thaliana |
110000 | - |
gel filtration | Arabidopsis thaliana |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Arabidopsis thaliana | Q949Y3 | - |
- |
Posttranslational Modification | Comment | Organism |
---|---|---|
glycoprotein | - |
Arabidopsis thaliana |
Purification (Comment) | Organism |
---|---|
SO3- Fractogel EMD-650 column chromatography | Arabidopsis thaliana |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
root | - |
Arabidopsis thaliana | - |
shoot | - |
Arabidopsis thaliana | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.44 | - |
clarified extract, using phosphoenolpyruvate as a substrate | Arabidopsis thaliana |
421 | - |
after 957fold purification, using phosphoenolpyruvate as a substrate | Arabidopsis thaliana |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
AMP + H2O | 9% activity compared to phosphoenolpyruvate | Arabidopsis thaliana | adenosine + phosphate | - |
? | |
ATP + H2O | 17% activity compared to phosphoenolpyruvate | Arabidopsis thaliana | ADP + phosphate | - |
? | |
D-fructose 6-phosphate + H2O | 19% activity compared to phosphoenolpyruvate | Arabidopsis thaliana | D-fructose + phosphate | - |
? | |
D-glucose 6-phosphate + H2O | 46% activity compared to phosphoenolpyruvate | Arabidopsis thaliana | D-glucose + phosphate | - |
? | |
D-ribose 5-phosphate + H2O | 40% activity compared to phosphoenolpyruvate | Arabidopsis thaliana | D-ribose + phosphate | - |
? | |
dAMP + H2O | 16% activity compared to phosphoenolpyruvate | Arabidopsis thaliana | 2'-deoxyadenosine + phosphate | - |
? | |
diphosphate + H2O | 86% activity compared to phosphoenolpyruvate | Arabidopsis thaliana | 2 phosphate | - |
? | |
GTP + H2O | 16% activity compared to phosphoenolpyruvate | Arabidopsis thaliana | GDP + phosphate | - |
? | |
additional information | no activity with phytic acid, phosphocholine, or bis-p-nitrophenyl phosphate (5 mM each) | Arabidopsis thaliana | ? | - |
? | |
NADP+ + H2O | 55% activity compared to phosphoenolpyruvate | Arabidopsis thaliana | NAD+ + phosphate | - |
? | |
p-nitrophenyl phosphate + H2O | 89% activity compared to phosphoenolpyruvate | Arabidopsis thaliana | p-nitrophenol + phosphate | - |
? | |
phenylphosphate + H2O | 100% activity compared to phosphoenolpyruvate | Arabidopsis thaliana | phenol + phosphate | - |
? | |
phosphoenolpyruvate + H2O | 100% activity | Arabidopsis thaliana | pyruvate + phosphate | - |
? | |
phosphothreonine + H2O | 39% activity compared to phosphoenolpyruvate | Arabidopsis thaliana | threonine + phosphate | - |
? | |
phosphotyrosine + H2O | 51% activity compared to phosphoenolpyruvate | Arabidopsis thaliana | tyrosine + phosphate | - |
? |
Subunits | Comment | Organism |
---|---|---|
homodimer | 2 * 51000, predicted size of the mature polypeptide | Arabidopsis thaliana |
homodimer | 2 * 55000, gel filtration | Arabidopsis thaliana |
Synonyms | Comment | Organism |
---|---|---|
APase | - |
Arabidopsis thaliana |
PAP26 | - |
Arabidopsis thaliana |
purple acid phosphatase | - |
Arabidopsis thaliana |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
5.6 | - |
- |
Arabidopsis thaliana |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
4.7 | 6.6 | half-maximal activity is obtained at pH 4.7 and 6.6 | Arabidopsis thaliana |
IC50 Value | IC50 Value Maximum | Comment | Organism | Inhibitor | Structure |
---|---|---|---|---|---|
2.1 | - |
in 50 mM sodium acetate, pH 5.6, 5 mM phosphoenolpyruvate, 10 mM MgCl2, 0.2 mM NADH, and 3 units of desalted rabbit muscle lactate dehydrogenase | Arabidopsis thaliana | phosphate |