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Literature summary for 3.1.3.2 extracted from
- Resolution and some properties of acid phosphatase isoenzymes bound to the cell wall of potato tubers (1981), Agric. Biol. Chem., 45, 1767-1773.
No PubMed abstract available
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.089 | - |
ATP | isoenzyme PI-II | Ipomoea batatas |  |
| 0.18 | - |
ATP | isoenzyme PI-III | Ipomoea batatas | |
| 0.235 | - |
ATP | isoenzyme PII-I and PIII-I | Ipomoea batatas | |
| 0.5 | - |
p-nitrophenyl phosphate | isoenzyme PI-II and PI-III | Ipomoea batatas | |
| 0.71 | - |
p-nitrophenyl phosphate | isoenzyme PII and PIII-I | Ipomoea batatas | |
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| cell wall | 6 isoenzymes | Ipomoea batatas | 5618 | - |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 250000 | - |
isoenzyme PI-III and PIII-I, gel filtration | Ipomoea batatas |
| 320000 | - |
isoenzyme PI-I and PI-II, gel filtration | Ipomoea batatas |
| 400000 | - |
isoenzyme PII-I, gel filtration | Ipomoea batatas |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Ipomoea batatas | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Ipomoea batatas |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| tuber | - |
Ipomoea batatas | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| additional information | - |
- |
Ipomoea batatas |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| additional information | substrate specificity of the 6 cell wall isoenzymes: isoenzyme PI-III has the lowest specificity among the six isoenzymes | Ipomoea batatas | ? | - |
? | |
| p-nitrophenyl phosphate + H2O | - |
Ipomoea batatas | p-nitrophenol + phosphate | - |
? | |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 25 | 30 | 30 min, stable up to | Ipomoea batatas |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 5 | - |
isoenzyme PI-II | Ipomoea batatas |
| 5 | 5.5 | isoenzyme PII-I | Ipomoea batatas |
| 5 | 6 | isoenzyme PI-III | Ipomoea batatas |
| 5.5 | - |
isoenzyme PIII-I | Ipomoea batatas |
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Release 2023.1 (January 2023)
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