Inhibitors | Comment | Organism | Structure |
---|---|---|---|
erythritol | - |
Oryza sativa | |
Tris | - |
Oryza sativa |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
1.1 | - |
maltose | alpha-glucosidase I | Oryza sativa | |
2 | - |
maltose | alpha-glucosidase II | Oryza sativa |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Oryza sativa | - |
L. cv. Shinsetsu | - |
Oryza sativa | - |
glucosidase I and II | - |
Purification (Comment) | Organism |
---|---|
- |
Oryza sativa |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
seed | - |
Oryza sativa | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
additional information | - |
- |
Oryza sativa |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
kojibiose + H2O | - |
Oryza sativa | alpha-D-glucose + D-glucose | - |
? | |
maltose + H2O | - |
Oryza sativa | alpha-D-glucose + D-glucose | - |
? | |
maltotetraose + H2O | - |
Oryza sativa | alpha-D-glucose | - |
? | |
maltotriose + H2O | - |
Oryza sativa | maltose + D-glucose | - |
? | |
nigerose + H2O | - |
Oryza sativa | 2 alpha-D-glucose | - |
? | |
starch + H2O | - |
Oryza sativa | alpha-D-glucose | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
hydrolysis of soluble starch | Oryza sativa |
55 | - |
hydrolysis of maltose | Oryza sativa |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
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 |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
3.7 | 4 | alpha-glucosidase II | Oryza sativa |
4 | 4.3 | alpha-glucosidase I | Oryza sativa |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
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 |