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Literature summary for 3.2.1.20 extracted from
- Purification by affinity chromatography and characterization of a neutral alpha-glucosidase from horse kidney (1980), Biochim. Biophys. Acta, 612, 85-96.
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| carbodiimide | - |
Equus caballus |  |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.1 | - |
maltotetraose | - |
Equus caballus | |
| 0.14 | - |
maltopentaose | - |
Equus caballus | |
| 0.18 | - |
maltotriose | - |
Equus caballus | |
| 0.45 | - |
maltose | - |
Equus caballus | |
| 2.7 | - |
p-nitrophenyl alpha-D-glucopyranoside | - |
Equus caballus | |
| 3.3 | - |
nigerose | - |
Equus caballus | |
| 8.3 | - |
kojibiose | - |
Equus caballus | |
| 13 | - |
isomaltose | - |
Equus caballus | |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 280000 | - |
gel filtration | Equus caballus |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Equus caballus | - |
- |
- |
Posttranslational Modification
| Posttranslational Modification | Comment | Organism |
|---|---|---|
| glycoprotein | - |
Equus caballus |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Equus caballus |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| kidney | - |
Equus caballus | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 29.3 | - |
- |
Equus caballus |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| isomaltose + H2O | - |
Equus caballus | 2 alpha-D-glucose | - |
? | |
| kojibiose + H2O | - |
Equus caballus | alpha-D-glucose + D-glucose | - |
? | |
| maltopentaose + H2O | - |
Equus caballus | alpha-D-glucose + ? | - |
? | |
| maltose + H2O | - |
Equus caballus | alpha-D-glucose + D-glucose | - |
? | |
| maltotetraose + H2O | - |
Equus caballus | alpha-D-glucose | - |
? | |
| maltotriose + H2O | - |
Equus caballus | maltose + D-glucose | - |
? | |
| nigerose + H2O | - |
Equus caballus | 2 alpha-D-glucose | - |
? | |
| p-nitrophenyl-alpha-D-glucopyranoside + H2O | - |
Equus caballus | 4-nitrophenol + D-glucose | - |
? | |
| starch + H2O | - |
Equus caballus | alpha-D-glucose | - |
? | |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 6 | - |
glucoamylase | Equus caballus |
| 6.25 | - |
maltase | Equus caballus |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 6 | 9 | more than 80% of maximal activity at pH 6 and at pH 9 | Equus caballus |
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