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Literature summary for 3.2.1.48 extracted from
- Some properties of monkey intestinal sucrase (1990), Indian J. Biochem. Biophys., 27, 93-97.
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| isomaltose | competitive inhibition | Platyrrhini |  |
| PCMB | - |
Platyrrhini | |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 1 | - |
maltose | - |
Platyrrhini | |
| 3.2 | - |
isomaltose | - |
Platyrrhini | |
| 3.8 | - |
maltotriose | - |
Platyrrhini | |
| 11.1 | - |
maltotetraose | - |
Platyrrhini | |
| 13.3 | - |
maltopentaose | - |
Platyrrhini | |
| 20 | - |
sucrose | - |
Platyrrhini | |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 112000 | - |
1 * 112000 + 1* 100000, hetero-dimer, 2 catalytically active sites for maltase and sucrase | Platyrrhini |
| 260000 | - |
gel filtration | Platyrrhini |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| isomaltose + H2O | Platyrrhini | - |
glucose | - |
? | |
| maltose + H2O | Platyrrhini | - |
2 glucose | - |
? | |
| sucrose + H2O | Platyrrhini | - |
D-glucose + D-fructose | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Platyrrhini | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Platyrrhini |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 0.05 | - |
- |
Platyrrhini |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| isomaltose + H2O | - |
Platyrrhini | glucose | - |
? | |
| maltopentaose + H2O | - |
Platyrrhini | ? | - |
? | |
| maltose + H2O | - |
Platyrrhini | 2 glucose | - |
? | |
| maltotetraose + H2O | - |
Platyrrhini | ? | - |
? | |
| maltotriose + H2O | - |
Platyrrhini | ? | - |
? | |
| sucrose + H2O | - |
Platyrrhini | D-glucose + D-fructose | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| dimer | 1 * 112000 + 1* 100000, hetero-dimer, 2 catalytically active sites for maltase and sucrase | Platyrrhini |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 6.2 | - |
- |
Platyrrhini |
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