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Literature summary for 3.1.3.2 extracted from
- Purification and characterization of homogeneous sunflower seed acid phosphatase (1986), Phytochemistry, 25, 351-357.
No PubMed abstract available
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.029 | - |
p-nitrophenyl phosphate | enzyme form I | Helianthus annuus |  |
| 0.098 | - |
p-nitrophenyl phosphate | enzyme form II | Helianthus annuus | |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 52000 | - |
x * 52000, enzyme form II, SDS-PAGE | Helianthus annuus |
| 56000 | - |
x * 56000, enzyme form I, SDS-PAGE | Helianthus annuus |
| 103000 | - |
enzyme form I and II, gel filtration | Helianthus annuus |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Helianthus annuus | - |
- |
- |
Posttranslational Modification
| Posttranslational Modification | Comment | Organism |
|---|---|---|
| glycoprotein | - |
Helianthus annuus |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| mixture of two enzyme forms | Helianthus annuus |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| seed | - |
Helianthus annuus | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| additional information | - |
- |
Helianthus annuus |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| 1-naphthyl phosphate + H2O | - |
Helianthus annuus | 1-naphthol + phosphate | - |
? | |
| 2-glycerophosphate + H2O | - |
Helianthus annuus | glycerol + phosphate | - |
? | |
| 2-naphthyl phosphate + H2O | - |
Helianthus annuus | 2-naphthol + phosphate | - |
? | |
| 3'-AMP + H2O | - |
Helianthus annuus | adenosine + phosphate | - |
? | |
| 5'-AMP + H2O | - |
Helianthus annuus | adenosine + phosphate | - |
? | |
| alpha-glycerophosphate + H2O | - |
Helianthus annuus | glycerol + phosphate | - |
? | |
| ATP + H2O | no activity | Helianthus annuus | ADP + phosphate | - |
? | |
| diphosphate + H2O | - |
Helianthus annuus | 2 phosphate | - |
? | |
| Glucose 6-phosphate + H2O | - |
Helianthus annuus | Glucose + phosphate | - |
? | |
| NADP+ + H2O | - |
Helianthus annuus | NAD+ + phosphate | - |
? | |
| o-carboxyphenyl phosphoric acid + H2O | - |
Helianthus annuus | o-carboxyphenol + phosphate | - |
? | |
| O-phosphoethanolamine + H2O | - |
Helianthus annuus | ethanolamine + phosphate | - |
? | |
| O-phosphoserine + H2O | - |
Helianthus annuus | Ser + phosphate | - |
? | |
| p-nitrophenyl phosphate + H2O | - |
Helianthus annuus | p-nitrophenol + phosphate | - |
? | |
| phenolphthalein monophosphate + H2O | - |
Helianthus annuus | phenolphthalein + phosphate | - |
? | |
| phenyl phosphate + H2O | - |
Helianthus annuus | phenol + phosphate | - |
? | |
| phosphopyruvate + H2O | - |
Helianthus annuus | pyruvate + phosphate | - |
? | |
| thymolphthalein monophosphate + H2O | - |
Helianthus annuus | thymolphthalein + phosphate | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| ? | x * 56000, enzyme form I, SDS-PAGE | Helianthus annuus |
| ? | x * 52000, enzyme form II, SDS-PAGE | Helianthus annuus |
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