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Literature summary for 2.6.1.41 extracted from
- An aminotransferase specific for the D-enantiomorph of methionine (1973), Phytochemistry, 12, 2123-2126.
No PubMed abstract available
General Stability
| General Stability | Organism |
|---|---|
| pyridoxal 5'-phosphate stabilizes | Arachis hypogaea |
| reducing agents, such as cysteine, 2-mercaptoethanol or dithiothreitol, are essential for maintaining activity during purification | Arachis hypogaea |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Arachis hypogaea | - |
peanut cv. Starr | - |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| ammonium sulfate, cold precipitation, acetone precipitation, partial purification | Arachis hypogaea |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| embryo | germinating | Arachis hypogaea | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| additional information | - |
10061 units/mg, 1 unit is defined as the quantity of enzyme that produces 1 nanoliter of ethylene per h of dark reaction | Arachis hypogaea |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| D-methionine + 2-oxoglutarate | less effective than pyruvate | Arachis hypogaea | 4-methylthio-2-oxobutanoate + L-glutamate | - |
? |  |
| D-methionine + oxaloacetate | less effective than pyruvate | Arachis hypogaea | 4-methylthio-2-oxobutanoate + L-aspartate | - |
? | |
| D-methionine + pyruvate | - |
Arachis hypogaea | 4-methylthio-2-oxobutanoate + L-alanine | - |
? | |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 31 | - |
assay at | Arachis hypogaea |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7.8 | - |
assay at | Arachis hypogaea |
Cofactor
| Cofactor | Comment | Organism | Structure |
|---|---|---|---|
| pyridoxal 5'-phosphate | required for full enzyme activity | Arachis hypogaea | |
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Release 2023.1 (January 2023)
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