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Literature summary extracted from
- An alpha-glucosidase from perimicrovillar membranes of Dysdercus peruvianus (hemiptera: pyrrhocoridae) midgut cells. Purification and properties (1995), Insect Biochem. Mol. Biol., 25, 487-494.
No PubMed abstract available
Inhibitors
| EC Number | Inhibitors | Comment | Organism | Structure |
|---|---|---|---|---|
| 3.2.1.20 | D-glucono-delta-lactone | competitive | Dysdercus peruvianus |  |
| 3.2.1.20 | erythritol | - |
Dysdercus peruvianus | |
| 3.2.1.20 | Tris | - |
Dysdercus peruvianus | |
KM Value [mM]
| EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 3.2.1.20 | 0.86 | - |
phenyl-alpha-D-glucoside | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 1.4 | - |
p-nitrophenyl alpha-D-glucoside | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 2.6 | - |
maltopentaose | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 3.6 | - |
p-aminophenyl alpha-D-glucoside | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 7.6 | - |
maltotetraose | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 7.8 | - |
maltotriose | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 18.6 | - |
sucrose | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 19 | - |
maltohexaose | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 21 | - |
maltoheptaose | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 25 | - |
turanose | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 26 | - |
maltose | - |
Dysdercus peruvianus | |
Localization
| EC Number | Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|---|
| 3.2.1.20 | membrane | perimicrovillar membranes | Dysdercus peruvianus | 16020 | - |
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.20 | 61000 | - |
2 * 61000, SDS-PAGE | Dysdercus peruvianus |
| 3.2.1.20 | 120000 | - |
- |
Dysdercus peruvianus |
| 3.2.1.20 | 130000 | - |
ultracentrifugation | Dysdercus peruvianus |
| 3.2.1.20 | 431000 | - |
non-denaturing PAGE | Dysdercus peruvianus |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 3.2.1.20 | Dysdercus peruvianus | - |
- |
- |
Posttranslational Modification
| EC Number | Posttranslational Modification | Comment | Organism |
|---|---|---|---|
| 3.2.1.20 | glycoprotein | - |
Dysdercus peruvianus |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 3.2.1.20 | - |
Dysdercus peruvianus |
Source Tissue
| EC Number | Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|---|
| 3.2.1.20 | midgut | bound to perimicrovillar membranes | Dysdercus peruvianus | - |
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.20 | 7640 | - |
- |
Dysdercus peruvianus |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.2.1.20 | maltoheptaose + H2O | - |
Dysdercus peruvianus | maltohexaose + D-glucose | - |
? | |
| 3.2.1.20 | maltohexaose + H2O | - |
Dysdercus peruvianus | maltopentaose + D-glucose | - |
? | |
| 3.2.1.20 | maltopentaose + H2O | - |
Dysdercus peruvianus | alpha-D-glucose + ? | - |
? | |
| 3.2.1.20 | maltose + H2O | - |
Dysdercus peruvianus | alpha-D-glucose + D-glucose | - |
? | |
| 3.2.1.20 | maltotetraose + H2O | - |
Dysdercus peruvianus | alpha-D-glucose | - |
? | |
| 3.2.1.20 | maltotriose + H2O | - |
Dysdercus peruvianus | maltose + D-glucose | - |
? | |
| 3.2.1.20 | p-aminophenyl-alpha-D-glucoside + H2O | - |
Dysdercus peruvianus | alpha-D-glucose + 4-aminophenol | - |
? | |
| 3.2.1.20 | p-nitrophenyl-alpha-D-glucopyranoside + H2O | - |
Dysdercus peruvianus | 4-nitrophenol + D-glucose | - |
? | |
| 3.2.1.20 | phenyl-alpha-D-glucoside + H2O | - |
Dysdercus peruvianus | phenol + alpha-D-glucose | - |
? | |
| 3.2.1.20 | sucrose + H2O | - |
Dysdercus peruvianus | D-fructose + alpha-D-glucose | - |
? | |
| 3.2.1.20 | turanose + H2O | - |
Dysdercus peruvianus | alpha-D-glucose + D-fructose | - |
? | |
Subunits
| EC Number | Subunits | Comment | Organism |
|---|---|---|---|
| 3.2.1.20 | dimer | 2 * 61000, SDS-PAGE | Dysdercus peruvianus |
Turnover Number [1/s]
| EC Number | Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 3.2.1.20 | 1.05 | - |
maltopentaose | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 3.42 | - |
maltoheptaose | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 3.77 | - |
turanose | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 3.97 | - |
maltohexaose | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 4.07 | - |
sucrose | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 4.67 | - |
p-aminophenyl-alpha-D-glucoside | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 5.22 | - |
maltotetraose | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 6.17 | - |
maltotriose | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 18 | - |
maltose | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 19 | - |
p-Nitrophenyl-alpha-glucoside | - |
Dysdercus peruvianus | |
| 3.2.1.20 | 22.5 | - |
phenyl-alpha-D-glucoside | - |
Dysdercus peruvianus | |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.20 | 5 | - |
- |
Dysdercus peruvianus |
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