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Literature summary for 1.4.3.22 extracted from
- Purification and characterization of diamine oxidase from rice embryos (1984), Phytochemistry, 23, 241-243.
No PubMed abstract available
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| Ca2+ | 10 mM, 37% inhibition | Oryza sativa |  |
| EDTA | 10 mM, 80% inhibition | Oryza sativa | |
| Hg2+ | 10 mM, 80% inhibition | Oryza sativa | |
| Mg2+ | 10 mM, 37% inhibition | Oryza sativa | |
| Pyridoxine-HCl | 10 mM, 72% inhibition | Oryza sativa | |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.01 | - |
putrescine | - |
Oryza sativa | |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 61200 | - |
2 * 61200 | Oryza sativa |
| 123000 | - |
gel filtration | Oryza sativa |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Oryza sativa | - |
rice | - |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Oryza sativa |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| seedling | - |
Oryza sativa | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 0.0166 | - |
- |
Oryza sativa |
Storage Stability
| Storage Stability | Organism |
|---|---|
| 4°C, stable for 15 days | Oryza sativa |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| 1,4-diaminobutane + H2O + O2 | - |
Oryza sativa | 4-aminobutanal + NH3 + H2O2 | - |
? | |
| 1,5-diaminopentane + H2O + O2 | 60% of activity with putrescine | Oryza sativa | 5-aminopentanal + NH3 + H2O2 | - |
? | |
| RCH2NH2 + H2O + O2 | - |
Oryza sativa | RCHO + NH3 + H2O2 | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| dimer | 2 * 61200 | Oryza sativa |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 30 | - |
- |
Oryza sativa |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 100 | - |
10 min, complete loss of activity | Oryza sativa |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7.5 | - |
putrescine | Oryza sativa |
Cofactor
| Cofactor | Comment | Organism | Structure |
|---|---|---|---|
| FAD | 4 molecules of FAD per dimer | Oryza sativa | |
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