KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.23 | - |
p-nitrophenyl-alpha-D-galactopyranoside | alpha-galactosidase II, pH 6 | Geobacillus stearothermophilus | |
0.47 | - |
p-nitrophenyl-alpha-D-galactopyranoside | alpha-galactosidase I, pH 7 | Geobacillus stearothermophilus | |
0.53 | - |
p-nitrophenyl-alpha-D-galactopyranoside | alpha-galactosidase II, pH 7 | Geobacillus stearothermophilus | |
0.59 | - |
p-nitrophenyl-alpha-D-galactopyranoside | alpha-galactosidase I, pH 6 | Geobacillus stearothermophilus | |
19 | - |
melibiose | alpha-galactosidase I | Geobacillus stearothermophilus | |
45 | - |
melibiose | alpha-galactosidase II | Geobacillus stearothermophilus |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
280000 | - |
disc gel electrophoresis, alpha-galactosidase I | Geobacillus stearothermophilus |
325000 | - |
disc gel electrophoresis, alpha-galactosidase II | Geobacillus stearothermophilus |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Geobacillus stearothermophilus | - |
- |
- |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
217 | - |
alpha-galactosidase II | Geobacillus stearothermophilus |
290 | - |
alpha-galactosidase I | Geobacillus stearothermophilus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
melibiose + H2O | - |
Geobacillus stearothermophilus | D-galactose + D-glucose | - |
? | |
p-nitrophenyl-alpha-D-galactoside + H2O | - |
Geobacillus stearothermophilus | p-nitrophenol + alpha-D-galactose | - |
? |
Subunits | Comment | Organism |
---|---|---|
tetramer | - |
Geobacillus stearothermophilus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6 | - |
alpha-galactosidase I | Geobacillus stearothermophilus |
7 | - |
alpha-galactosidase II | Geobacillus stearothermophilus |