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Literature summary extracted from
- Some properties of monkey intestinal sucrase (1990), Indian J. Biochem. Biophys., 27, 93-97.
Inhibitors
| EC Number | Inhibitors | Comment | Organism | Structure |
|---|---|---|---|---|
| 3.2.1.48 | isomaltose | competitive inhibition | Platyrrhini |  |
| 3.2.1.48 | PCMB | - |
Platyrrhini | |
KM Value [mM]
| EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 3.2.1.48 | 1 | - |
maltose | - |
Platyrrhini | |
| 3.2.1.48 | 3.2 | - |
isomaltose | - |
Platyrrhini | |
| 3.2.1.48 | 3.8 | - |
maltotriose | - |
Platyrrhini | |
| 3.2.1.48 | 11.1 | - |
maltotetraose | - |
Platyrrhini | |
| 3.2.1.48 | 13.3 | - |
maltopentaose | - |
Platyrrhini | |
| 3.2.1.48 | 20 | - |
sucrose | - |
Platyrrhini | |
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.48 | 112000 | - |
1 * 112000 + 1* 100000, hetero-dimer, 2 catalytically active sites for maltase and sucrase | Platyrrhini |
| 3.2.1.48 | 260000 | - |
gel filtration | Platyrrhini |
Natural Substrates/ Products (Substrates)
| EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.2.1.48 | isomaltose + H2O | Platyrrhini | - |
glucose | - |
? | |
| 3.2.1.48 | maltose + H2O | Platyrrhini | - |
2 glucose | - |
? | |
| 3.2.1.48 | sucrose + H2O | Platyrrhini | - |
D-glucose + D-fructose | - |
? | |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 3.2.1.48 | Platyrrhini | - |
- |
- |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 3.2.1.48 | - |
Platyrrhini |
Source Tissue
| EC Number | Source Tissue | Comment | Organism | Textmining |
|---|
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.48 | 0.05 | - |
- |
Platyrrhini |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.2.1.48 | isomaltose + H2O | - |
Platyrrhini | glucose | - |
? | |
| 3.2.1.48 | maltopentaose + H2O | - |
Platyrrhini | ? | - |
? | |
| 3.2.1.48 | maltose + H2O | - |
Platyrrhini | 2 glucose | - |
? | |
| 3.2.1.48 | maltotetraose + H2O | - |
Platyrrhini | ? | - |
? | |
| 3.2.1.48 | maltotriose + H2O | - |
Platyrrhini | ? | - |
? | |
| 3.2.1.48 | sucrose + H2O | - |
Platyrrhini | D-glucose + D-fructose | - |
? | |
Subunits
| EC Number | Subunits | Comment | Organism |
|---|---|---|---|
| 3.2.1.48 | dimer | 1 * 112000 + 1* 100000, hetero-dimer, 2 catalytically active sites for maltase and sucrase | Platyrrhini |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.48 | 6.2 | - |
- |
Platyrrhini |
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Release 2023.1 (January 2023)
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