Cloned (Comment) | Organism |
---|---|
expression in Escherichia coli | Arthrobacter sp. |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
D-galactal | - |
Arthrobacter sp. | |
D-galactose | - |
Arthrobacter sp. | |
EDTA | 100 mM, inactivation after 1.5 h | Arthrobacter sp. |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.6 | - |
o-nitrophenyl beta-D-galactopyranoside | at 20°C | Arthrobacter sp. | |
0.7 | - |
o-nitrophenyl beta-D-galactopyranoside | at 5°C and at 10°C | Arthrobacter sp. | |
0.8 | - |
o-nitrophenyl beta-D-galactopyranoside | at 18°C | Arthrobacter sp. | |
11.5 | - |
lactose | at 18°C | Arthrobacter sp. | |
19.4 | - |
lactose | at 5°C | Arthrobacter sp. |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
K+ | slight stimulation | Arthrobacter sp. | |
Mg2+ | stimulation | Arthrobacter sp. | |
Mn2+ | slight stimulation | Arthrobacter sp. |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
112000 | - |
4 * 112000 | Arthrobacter sp. |
463000 | - |
analytical ultracentrifugation, at low temperatures, irreversible dissociation into inactive monomers | Arthrobacter sp. |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Arthrobacter sp. | Q7WTU5 | antarctic isolate | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
lactose + H2O | - |
Arthrobacter sp. | D-glucose + D-galactose | - |
? | |
o-nitrophenyl beta-D-galactopyranoside + H2O | - |
Arthrobacter sp. | o-nitrophenol + beta-D-galactose | - |
? | |
p-nitrophenyl beta-D-galactopyranoside + H2O | - |
Arthrobacter sp. | p-nitrophenol + beta-D-galactose | - |
? |
Subunits | Comment | Organism |
---|---|---|
tetramer | 4 * 112000 | Arthrobacter sp. |
Synonyms | Comment | Organism |
---|---|---|
BgaS | - |
Arthrobacter sp. |
H-BgaS | His-tagged enzyme form | Arthrobacter sp. |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
15 | - |
- |
Arthrobacter sp. |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
- |
30 | 0°C: about 50% of maximal activity, 30°C: about 60% of maximal activity | Arthrobacter sp. |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
4.7 | - |
lactose | at 5°C | Arthrobacter sp. | |
5.2 | - |
lactose | at 18°C | Arthrobacter sp. | |
43 | - |
o-nitrophenyl beta-D-galactopyranoside | at 5°C | Arthrobacter sp. | |
57.2 | - |
o-nitrophenyl beta-D-galactopyranoside | at 10°C | Arthrobacter sp. | |
100 | - |
o-nitrophenyl beta-D-galactopyranoside | at 18°C | Arthrobacter sp. | |
110.1 | - |
o-nitrophenyl beta-D-galactopyranoside | at 20°C | Arthrobacter sp. |
Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|
0.218 | - |
D-galactal | - |
Arthrobacter sp. | |
12 | - |
D-galactose | - |
Arthrobacter sp. |