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Literature summary for 3.1.1.20 extracted from
- Production and characterization of tannase from Bacillus cereus KBR9 (2001), J. Gen. Appl. Microbiol., 47, 263-267.
Activating Compound
| Activating Compound | Comment | Organism | Structure |
|---|---|---|---|
| Tannic acid | enzyme is inducible | Bacillus cereus |  |
General Stability
| General Stability | Organism |
|---|---|
| salt-tolerant enzyme, stable up to 2 M NaCl, and 82% remaining activity in presence of 3 M NaCl | Bacillus cereus |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| tannic acid + H2O | Bacillus cereus | - |
10 gallate + D-glucose | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Bacillus cereus | - |
KBR 9, inducible enzyme | - |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| partially | Bacillus cereus |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| additional information | - |
enzyme activity during cell growth in a fermenter culture, production kinetics | Bacillus cereus |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| tannic acid + H2O | - |
Bacillus cereus | 10 gallate + D-glucose | - |
? | |
| tannic acid + H2O | - |
Bacillus cereus | 10 gallate + D-glucose | specific for | ? | |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 40 | - |
- |
Bacillus cereus |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 30 | - |
stable up to for 1 h | Bacillus cereus |
| 40 | - |
stable for 20 min | Bacillus cereus |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 4.5 | - |
- |
Bacillus cereus |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 3 | 7 | in vivo enzyme production | Bacillus cereus |
| 3.5 | 7 | partially purified enzyme | Bacillus cereus |
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