Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Cu2+ | inactivates enzymatic activity | Arthrobacter sp. | |
Zn2+ | reduces enzymatic activity | Arthrobacter sp. |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
K+ | activates enzymatic activity | Arthrobacter sp. | |
Mn2+ | activates enzymatic activity | Arthrobacter sp. | |
Na+ | activates enzymatic activity | Arthrobacter sp. |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
116000 | - |
SDS-PAGE | Arthrobacter sp. |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Arthrobacter sp. | D9IU57 | ON14 | - |
Arthrobacter sp. | D9IU58 | ON14 | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
2-nitrophenyl beta-D-galactopyranoside + H2O | - |
Arthrobacter sp. | 2-nitrophenol + beta-D-galactose | - |
? | |
5-bromo-4-chloro-3-indolyl beta-D-galactopyranoside + H2O | - |
Arthrobacter sp. | 5-bromo-4-chloro-indol + beta-D-galactose | - |
? |
Synonyms | Comment | Organism |
---|---|---|
beta-galactosidase | - |
Arthrobacter sp. |
GALA | - |
Arthrobacter sp. |
GALB | - |
Arthrobacter sp. |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
15 | - |
- |
Arthrobacter sp. |
37 | - |
- |
Arthrobacter sp. |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
45 | 50 | an enzyme stability assay reveals that the activity of GalA is significantly decreased when it is incubated at 45°C for 2 h, and all its activity is lost when it is incubated at 50°C | Arthrobacter sp. |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8 | - |
- |
Arthrobacter sp. |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
6 | 9 | 75% activity | Arthrobacter sp. |
Organism | Comment | Expression |
---|---|---|
Arthrobacter sp. | expression is inhibited at low temperature | down |
Arthrobacter sp. | expression is induced at high temperature | up |
Arthrobacter sp. | expression of galA is highly induced at a low temperature and repressed at a high temperature when lactose is used as the sole carbon source | up |