Cloned (Comment) | Organism |
---|---|
expression in Escherichia coli | Bifidobacterium longum |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
additional information | strong inhibition by most divalent metal ions | Bifidobacterium longum |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.51 | - |
2-nitrophenyl-beta-D-galactopyranoside | pH 7.0, 50°C | Bifidobacterium longum | |
0.72 | - |
2-nitrophenyl-beta-D-galactopyranoside | pH 7.0, 37°C | Bifidobacterium longum |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
K+ | activates | Bifidobacterium longum | |
Na+ | activates | Bifidobacterium longum |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Bifidobacterium longum | - |
- |
- |
Bifidobacterium longum LL04 | - |
- |
- |
Purification (Comment) | Organism |
---|---|
recombinant enzyme from Escherichia coli partially by ammonium sulfate fractionation and anion exchange chromatography | Bifidobacterium longum |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
additional information | - |
- |
Bifidobacterium longum |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
2-nitrophenyl beta-D-galactopyranoside + H2O | - |
Bifidobacterium longum | 2-nitrophenol + beta-D-galactose | - |
? | |
2-nitrophenyl beta-D-galactopyranoside + H2O | - |
Bifidobacterium longum LL04 | 2-nitrophenol + beta-D-galactose | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
- |
Bifidobacterium longum |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
40 | - |
purified recombinant enzyme, over 60 min, pH 7.0, stable | Bifidobacterium longum |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7 | 8 | - |
Bifidobacterium longum |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
5 | 9 | purified recombinant enzyme, stable | Bifidobacterium longum |