Activating Compound | Comment | Organism | Structure |
---|---|---|---|
SDS | 138.96% activity at 0.01% (v/v) | Aspergillus nidulans | |
Triton X-100 | 121.63% activity at 0.01% (v/v) | Aspergillus nidulans |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
AgNO3 | 98.77% residual activity at 1 mM | Aspergillus nidulans | |
Al3+ | 75.14% residual activity at 1 mM | Aspergillus nidulans | |
beta-mercaptoethanol | 37.07% residual activity at 20 mM | Aspergillus nidulans | |
EDTA | 25.89% residual activity at 20 mM | Aspergillus nidulans | |
Fe3+ | 85.74% residual activity at 1 mM | Aspergillus nidulans |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
4.78 | - |
methyl gallate | pH 5.0, 45°C | Aspergillus nidulans | |
7.69 | - |
propyl gallate | pH 5.0, 45°C | Aspergillus nidulans | |
14.01 | - |
Tannic acid | pH 5.0, 45°C | Aspergillus nidulans | |
16.94 | - |
pyrogallol | pH 5.0, 45°C | Aspergillus nidulans |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
extracellular | - |
Aspergillus nidulans | - |
- |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Ba2+ | 117.94% activity at 1 mM | Aspergillus nidulans | |
Ca2+ | 109.51% activity at 1 mM | Aspergillus nidulans | |
Co2+ | 133.59% activity at 1 mM | Aspergillus nidulans | |
Cu2+ | 108.44% activity at 1 mM | Aspergillus nidulans | |
Hg2+ | 137.73% activity at 1 mM | Aspergillus nidulans | |
K+ | 115.18% activity at 1 mM | Aspergillus nidulans | |
Mg2+ | 118.25% activity at 1 mM | Aspergillus nidulans | |
Mn2+ | 115.8% activity at 1 mM | Aspergillus nidulans | |
Na+ | 124.69% activity at 1 mM | Aspergillus nidulans | |
NH4Cl | 110.74% activity at 1 mM | Aspergillus nidulans | |
Zn2+ | 142% activity at 1 mM | Aspergillus nidulans |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
45800 | - |
2 * 45800 + 2 * 52000, SDS-PAGE | Aspergillus nidulans |
52000 | - |
2 * 45800 + 2 * 52000, SDS-PAGE | Aspergillus nidulans |
302000 | - |
gel filtration | Aspergillus nidulans |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
tannic acid + H2O | Aspergillus nidulans | - |
gallic acid + D-glucose | - |
? |
Organic Solvent | Comment | Organism |
---|---|---|
Acetone | 130.37% activity at 1% (v/v) | Aspergillus nidulans |
acetonitrile | 149.85% activity at 1% (v/v) | Aspergillus nidulans |
Ethanol | 148.47% activity at 1% (v/v) | Aspergillus nidulans |
Glycerol | 138.5% activity at 1% (v/v) | Aspergillus nidulans |
isopropanol | 150% activity at 1% (v/v) | Aspergillus nidulans |
Methanol | 139.57% activity at 1% (v/v) | Aspergillus nidulans |
n-Butanol | 140.95% activity at 1% (v/v) | Aspergillus nidulans |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Aspergillus nidulans | - |
synonym Aspergillus nidulans | - |
Posttranslational Modification | Comment | Organism |
---|---|---|
glycoprotein | carbohydrate content of 50% | Aspergillus nidulans |
Purification (Comment) | Organism |
---|---|
DEAE-cellulose column chromatography and Sephacryl S-200 gel filtration | Aspergillus nidulans |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.031 | - |
crude extract, pH 5.0, 45°C | Aspergillus nidulans |
1.91 | - |
after 61.61fold purification, pH 5.0, 45°C | Aspergillus nidulans |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
methyl gallate + H2O | - |
Aspergillus nidulans | gallate + methanol | - |
? | |
propyl gallate + H2O | - |
Aspergillus nidulans | gallate + propanol | - |
? | |
pyrogallol + H2O | - |
Aspergillus nidulans | ? | - |
? | |
tannic acid + H2O | - |
Aspergillus nidulans | gallic acid + D-glucose | - |
? |
Subunits | Comment | Organism |
---|---|---|
heterotetramer | 2 * 45800 + 2 * 52000, SDS-PAGE | Aspergillus nidulans |
Synonyms | Comment | Organism |
---|---|---|
tannin acyl hydrolase | - |
Aspergillus nidulans |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
45 | - |
- |
Aspergillus nidulans |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
22 | 90 | the enzyme is very stable in the temperature range of 22-50°C for up to 70 h and has a half-life of about 72 h at 90°C | Aspergillus nidulans |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
5 | - |
- |
Aspergillus nidulans |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
4 | 5 | the enzyme retained around 80% of control activity when maintained for 60 h at pH 4.0 or 5.0. Increasing pH values (6.0-10.0) result in decreased stability of the enzyme, with a half-life of 20 h at pH 7.0 | Aspergillus nidulans |
Organism | Comment | Expression |
---|---|---|
Aspergillus nidulans | enzyme production is drastically inhibited at higher concentrations of D-glucose (above 0.5% w/v) | down |
Aspergillus nidulans | intracellular enzyme levels increase 2fold in the presence of 0.75% (w/v) gallic acid, whereas the addition of low concentrations of D-glucose (0.1% w/v) increase both extra- and intracellular activities | up |