EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
3.2.1.20 | erythritol | - |
Oryza sativa | |
3.2.1.20 | Tris | - |
Oryza sativa |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
3.2.1.20 | 1.1 | - |
maltose | alpha-glucosidase I | Oryza sativa | |
3.2.1.20 | 2 | - |
maltose | alpha-glucosidase II | Oryza sativa |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
3.2.1.20 | Oryza sativa | - |
L. cv. Shinsetsu | - |
3.2.1.20 | Oryza sativa | - |
glucosidase I and II | - |
EC Number | Purification (Comment) | Organism |
---|---|---|
3.2.1.20 | - |
Oryza sativa |
EC Number | Source Tissue | Comment | Organism | Textmining |
---|---|---|---|---|
3.2.1.20 | seed | - |
Oryza sativa | - |
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
3.2.1.20 | additional information | - |
- |
Oryza sativa |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
3.2.1.20 | kojibiose + H2O | - |
Oryza sativa | alpha-D-glucose + D-glucose | - |
? | |
3.2.1.20 | maltose + H2O | - |
Oryza sativa | alpha-D-glucose + D-glucose | - |
? | |
3.2.1.20 | maltotetraose + H2O | - |
Oryza sativa | alpha-D-glucose | - |
? | |
3.2.1.20 | maltotriose + H2O | - |
Oryza sativa | maltose + D-glucose | - |
? | |
3.2.1.20 | nigerose + H2O | - |
Oryza sativa | 2 alpha-D-glucose | - |
? | |
3.2.1.20 | starch + H2O | - |
Oryza sativa | alpha-D-glucose | - |
? |
EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|---|
3.2.1.20 | 50 | - |
hydrolysis of soluble starch | Oryza sativa |
3.2.1.20 | 55 | - |
hydrolysis of maltose | Oryza sativa |
EC Number | Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|---|
3.2.1.20 | 20 | 70 | 20°C: about 35% of maximal activity of alpha-glucosidase I with starch as substrate, about 20% of maximal activity of alpha-glucosidase II with maltose as substrate, about 20% of maximal activity of alpha-glucosidase II with maltose as substrate, about 45% of maximal activity of alpha-glucosidase II with starch as substrate, 70°C: about 20% of maximal activity of alpha-glucosidase I with starch as substrate, about 20% of maximal activity of alpha-glucosidase II with maltose as substrate, about 15% of maximal activity of alpha-glucosidase II with maltose as substrate, about 30% of maximal activity of alpha-glucosidase II with starch as substrate | Oryza sativa |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
3.2.1.20 | 3.7 | 4 | alpha-glucosidase II | Oryza sativa |
3.2.1.20 | 4 | 4.3 | alpha-glucosidase I | Oryza sativa |
EC Number | pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|---|
3.2.1.20 | 3 | 6 | pH 3.0: about 40% of maximal activity of alpha-glucosidase I, about 65% of maximal activity of alpha-glucosidase II, pH 6.0: about 45% of maximal activity of alpha-glucosidase I, about 50% of maximal activity of glucosidase II | Oryza sativa |