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Literature summary extracted from
- First purification and characterization of a sucrase-isomaltase from goose kidney microvillous membrane (1990), Biochim. Biophys. Acta, 1033, 35-40.
Localization
| EC Number | Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|---|
| 3.2.1.10 | microvillus | - |
Anser anser | 5902 | - |
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.48 | 280000 | - |
gel filtration, density gradient equilibrium centrifugation, human, sucrase-isomaltase complex | Anser anser |
| 3.2.1.48 | 380000 | - |
380000 sucrase + 543000 isomaltase, enzyme complex after solubilisation by emulphogen and papain | Anser anser |
Natural Substrates/ Products (Substrates)
| EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.2.1.48 | maltose + H2O | Anser anser | - |
2 glucose | - |
? |  |
| 3.2.1.48 | sucrose + H2O | Anser anser | - |
D-glucose + D-fructose | - |
? | |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 3.2.1.10 | Anser anser | - |
- |
- |
| 3.2.1.48 | Anser anser | - |
goose | - |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 3.2.1.10 | - |
Anser anser |
| 3.2.1.48 | - |
Anser anser |
Reaction
| EC Number | Reaction | Comment | Organism | Reaction ID |
|---|---|---|---|---|
| 3.2.1.10 | alpha-D-glucopyranosyl-(1-4)-[alpha-D-glucopyranosyl-(1-6)]-alpha-D-glucopyranosyl-(1-4)-alpha-D-glucopyranosyl-(1-4)-alpha-D-glucopyranose + H2O = alpha-D-glucopyranosyl-(1-4)-alpha-D-glucopyranosyl-(1-4)-alpha-D-glucopyranosyl-(1-4)-alpha-D-glucopyranose + D-glucose | enzyme from intestinal mucosa also catalyzes the reaction of sucrase alpha-glucosidase, EC 3.2.1.48 | Anser anser |
Source Tissue
| EC Number | Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|---|
| 3.2.1.10 | kidney | - |
Anser anser | - |
| 3.2.1.10 | small intestine | - |
Anser anser | - |
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.10 | 1.02 | - |
purified enzyme, palatinose as substrate | Anser anser |
| 3.2.1.48 | 2.95 | - |
- |
Anser anser |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.2.1.10 | palatinose + H2O | - |
Anser anser | D-glucose + fructose | - |
? | |
| 3.2.1.48 | maltose + H2O | - |
Anser anser | 2 glucose | - |
? | |
| 3.2.1.48 | sucrose + H2O | - |
Anser anser | D-glucose + D-fructose | - |
? | |
Synonyms
| EC Number | Synonyms | Comment | Organism |
|---|---|---|---|
| 3.2.1.10 | sucrase-isomaltase | - |
Anser anser |
Temperature Stability [°C]
| EC Number | Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.10 | 60 | - |
almost no loss of activity for 5 min at 60°C, potassium phosphate buffer, pH 6.0 | Anser anser |
| 3.2.1.48 | 60 | - |
soluble enzyme is stable at 60°C for 30 min in cortisone and thyroxine treated animals, heat-labile in control and insulin given animals, 3% activity less, incubation for 40 min | Anser anser |
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Release 2023.1 (January 2023)
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