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Literature summary for 3.2.2.2 extracted from
- Purine catabolism in plants (1982), Plant Physiol., 70, 344-349.
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.065 | - |
Inosine | - |
Lupinus luteus |  |
| 0.47 | - |
adenosine | - |
Lupinus luteus | |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 62000 | - |
gel filtration | Lupinus luteus |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| inosine + H2O | Lupinus luteus | - |
hypoxanthine + D-ribose | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Lupinus luteus | - |
L. cv. Topaz | - |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| partial purification | Lupinus luteus |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| seed | - |
Lupinus luteus | - |
| seedling | - |
Lupinus luteus | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 0.00275 | - |
substrate: inosine | Lupinus luteus |
Storage Stability
| Storage Stability | Organism |
|---|---|
| -20°C, tolerates repeated freeze-thawing | Lupinus luteus |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| 6-mercaptopurine riboside + H2O | - |
Lupinus luteus | 6-mercaptopurine + D-ribose | - |
? | |
| 8-azainosine + H2O | - |
Lupinus luteus | 8-azahypoxanthine + D-ribose | - |
? | |
| adenosine + H2O | - |
Lupinus luteus | adenine + D-ribose | - |
? | |
| guanosine + H2O | - |
Lupinus luteus | guanine + D-ribose | - |
? | |
| inosine + H2O | - |
Lupinus luteus | hypoxanthine + D-ribose | - |
? | |
| purine riboside + H2O | nebularine | Lupinus luteus | purine + D-ribose | - |
? | |
| xanthosine + H2O | - |
Lupinus luteus | xanthine + D-ribose | - |
? | |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 8 | - |
around pH 8 | Lupinus luteus |
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Release 2023.1 (January 2023)
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