Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | - |
Bifidobacterium longum | |
Co2+ | - |
Bifidobacterium longum | |
Cu2+ | - |
Bifidobacterium longum | |
D-fructose | - |
Bifidobacterium longum | |
Fe2+ | - |
Bifidobacterium longum | |
Fe3+ | - |
Bifidobacterium longum | |
lactose | competitive | Bifidobacterium longum | |
Mg2+ | - |
Bifidobacterium longum | |
Mn2+ | - |
Bifidobacterium longum | |
additional information | poor inhibition by D-glucose, D-galactose, maltose, or raffinose | Bifidobacterium longum | |
Zn2+ | - |
Bifidobacterium longum |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.85 | - |
2-nitrophenyl-beta-D-galactopyranoside | pH 7.0, 50°C | Bifidobacterium longum |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
K+ | 10fold activation | Bifidobacterium longum | |
Na+ | 10fold activation | Bifidobacterium longum |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
357000 | - |
native PAGE | Bifidobacterium longum |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Bifidobacterium longum | - |
- |
- |
Bifidobacterium longum CCRC 15708 | - |
- |
- |
Purification (Comment) | Organism |
---|---|
native enzyme 15.7fold by anion exchange chromatography and gel filtration | Bifidobacterium longum |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
168.6 | - |
purified enzyme | 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 CCRC 15708 | 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 | - |
10 min, purified enzyme, stable up to | Bifidobacterium longum |
60 | - |
10 min, purified enzyme, inactivation | Bifidobacterium longum |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7 | - |
- |
Bifidobacterium longum |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
6.5 | 7 | purified enzyme, stable | Bifidobacterium longum |