Inhibitors | Comment | Organism | Structure |
---|---|---|---|
bis-4-nitrophenyl phosphate | - |
Rattus norvegicus | |
paraoxon | complete inhibition at 0.1 mM | Rattus norvegicus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.00043 | - |
1-naphthyl acetate | pH 7.8, 25°C, isozyme I | Rattus norvegicus | |
0.00078 | - |
1-naphthyl acetate | pH 7.8, 25°C, isozyme II | Rattus norvegicus | |
0.0018 | - |
phenyl acetate | pH 7.8, 25°C, isozyme I | Rattus norvegicus | |
0.0026 | - |
phenyl acetate | pH 7.8, 25°C, isozyme II | Rattus norvegicus | |
0.0042 | - |
4-nitrophenyl acetate | pH 7.8, 25°C, isozyme II | Rattus norvegicus | |
0.0053 | - |
2-Nitrophenyl acetate | pH 7.8, 25°C, isozyme I | Rattus norvegicus | |
0.0059 | - |
Acetyl salicylate | pH 7.8, 25°C, isozyme II | Rattus norvegicus | |
0.0083 | - |
4-nitrophenyl acetate | pH 7.8, 25°C, isozyme I | Rattus norvegicus | |
0.0093 | - |
4-nitrophenyl butyrate | pH 7.8, 25°C, isozyme I | Rattus norvegicus | |
0.0098 | - |
2-Nitrophenyl acetate | pH 7.8, 25°C, isozyme II | Rattus norvegicus | |
0.017 | - |
2-Nitrophenyl butyrate | pH 7.8, 25°C, isozyme II | Rattus norvegicus | |
0.019 | - |
4-nitrophenyl butyrate | pH 7.8, 25°C, isozyme II | Rattus norvegicus | |
0.022 | - |
2-Nitrophenyl butyrate | pH 7.8, 25°C, isozyme I | Rattus norvegicus | |
0.098 | - |
4-acetoxybenzoate | pH 7.8, 25°C, isozyme I | Rattus norvegicus | |
0.11 | - |
4-acetoxybenzoate | pH 7.8, 25°C, isozyme II | Rattus norvegicus |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
cytosol | - |
Rattus norvegicus | 5829 | - |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
additional information | - |
3 other cytoplasmic enzymes active with aspirin are observed differing in their MW of 220000 | Rattus norvegicus |
35000 | - |
isozyme I and II, gel filtration | Rattus norvegicus |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
acetyl salicylate + H2O | Rattus norvegicus | i.e. aspirin | salicylate + acetate | - |
? | |
acetyl salicylate + H2O | Rattus norvegicus | active in detoxification | salicylate + acetate | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Rattus norvegicus | - |
2 isozymes I and II | - |
Purification (Comment) | Organism |
---|---|
isozymes arylesterase I and II, to homogeneity | Rattus norvegicus |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
liver | - |
Rattus norvegicus | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
additional information | - |
- |
Rattus norvegicus |
1.2 | - |
purified isozyme I, substrate 4-nitrophenylacetate | Rattus norvegicus |
1.4 | - |
purified isozyme II, substrate 4-nitrophenylacetate | Rattus norvegicus |
2.5 | - |
purified isozyme I, substrate acetyl salicylate | Rattus norvegicus |
2.55 | - |
purified isozyme II, substrate acetyl salicylate | Rattus norvegicus |
Storage Stability | Organism |
---|---|
-20°C, pH 6.8, 7% loss of activity per month | Rattus norvegicus |
4°C, pH 6.8, 10% loss of activity per month | Rattus norvegicus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
1-naphthyl acetate + H2O | - |
Rattus norvegicus | 1-naphthol + acetate | - |
? | |
2-nitrophenyl acetate + H2O | - |
Rattus norvegicus | 2-nitrophenol + acetate | - |
? | |
2-nitrophenyl butyrate + H2O | - |
Rattus norvegicus | 2-nitrophenol + butyrate | - |
? | |
4-acetoxybenzoate + H2O | - |
Rattus norvegicus | 4-hydroxybenzoate + acetate | - |
? | |
4-nitrophenyl acetate + H2O | - |
Rattus norvegicus | 4-nitrophenol + acetate | - |
? | |
4-nitrophenyl butyrate + H2O | - |
Rattus norvegicus | 4-nitrophenol + butyrate | - |
? | |
acetyl salicylate + H2O | i.e. aspirin | Rattus norvegicus | salicylate + acetate | - |
? | |
acetyl salicylate + H2O | active in detoxification | Rattus norvegicus | salicylate + acetate | - |
? | |
acetylsalicylate + H2O | i.e. aspirin | Rattus norvegicus | salicylate + acetate | - |
? | |
phenyl acetate + H2O | - |
Rattus norvegicus | phenol + acetate | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 35000, both isozymes, SDS-PAGE | Rattus norvegicus |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
25 | - |
assay at | Rattus norvegicus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.8 | - |
- |
Rattus norvegicus |