Cloned (Comment) | Organism |
---|---|
expression and purification carried out using a Bac-To-Bac Baculovirus Expression System | Homo sapiens |
Protein Variants | Comment | Organism |
---|---|---|
W58L | reduced inhibitory efficiency of the mutants W58L and Y151M with 92 and 97% remaining enzyme activity at 0.00235 mM pentagalloyl glucose inhibitor concentration, respectively, pH 6.0, 37°C | Homo sapiens |
Y151M | reduced inhibitory efficiency of the mutants W58L and Y151M with 92 and 97% remaining enzyme activity at 0.00235 mM pentagalloyl glucose inhibitor concentration, respectively, pH 6.0, 37°C | Homo sapiens |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
1,2,3,4,6-pentagalloyl-beta-D-glucose | mixed non-competitive inhibition, KEI: 0.0026 mM, KEIS: 0.0039 mM, tested in a concentration range of 0.04 to 0.5 mM, reduced inhibitory efficiency of the mutants W58L and Y151M with 92 and 97% remaining enzyme activity at 0.00235 mM inhibitor concentration, respectively, pH 6.0, 37°C | Homo sapiens |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Homo sapiens | - |
- |
- |
Purification (Comment) | Organism |
---|---|
recombinant protein, expression and purification carried out using a Bac-To-Bac Baculovirus Expression System | Homo sapiens |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
saliva | type IXA | Homo sapiens | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
2-chloro-4-nitrophenyl alpha-D-galactopyranosyl-(1-4)-alpha-D-galactopyranosyl-(1-4)-alpha-D-galactopyranoside + H2O | - |
Homo sapiens | 2-chloro-4-nitrophenol + alpha-D-galactopyranosyl-(1-4)-alpha-D-galactopyranosyl-(1-4)-alpha-D-galactopyranose | the increase of absorbance of 2-chloro-4-nitrophenol liberated by HSA is measured continuously at 400 nm | ? |
Synonyms | Comment | Organism |
---|---|---|
HAS | human salivary alpha-amylase | Homo sapiens |
human salivary alpha-amylase | commercial preparation | Homo sapiens |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
6 | - |
assay at | Homo sapiens |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6 | - |
assay at | Homo sapiens |
Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|
0.00235 | - |
1,2,3,4,6-pentagalloyl-beta-D-glucose | pH 6.0, 37°C, the mutants Y151M and W58L exhibit reduced inhibitory efficiency with 92 and 97% remaining enzyme activity at 0.00235 mM inhibitor concentration, respectively, pH 6.0, 37°C | Homo sapiens |