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Literature summary for 3.2.1.23 extracted from
- General properties of beta-galactosidase of Xanthomonas campestris (1979), Appl. Environ. Microbiol., 38, 554-556.
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| D-galactal | - |
Xanthomonas campestris |  |
| D-galactose | - |
Xanthomonas campestris | |
| EDTA | 5 mM, 30% loss of activity | Xanthomonas campestris | |
| iodoacetamide | 0.5 mM, complete inhibition | Xanthomonas campestris | |
| p-hydroxymercuribenzoate | 5 mM, 20% inhibition | Xanthomonas campestris | |
| Zn2+ | 20% inhibition by 2 mM, 46% inhibition by 10 mM | Xanthomonas campestris | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Xanthomonas campestris | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| partial | Xanthomonas campestris |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 0.407 | - |
- |
Xanthomonas campestris |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| lactose + H2O | - |
Xanthomonas campestris | D-glucose + D-galactose | - |
? | |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 32 | 37 | - |
Xanthomonas campestris |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 5.5 | 5.8 | - |
Xanthomonas campestris |
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Release 2023.1 (January 2023)
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