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Literature summary extracted from
- Purification and properties of delta-aminolevulinate dehydrase from human erythrocytes (1979), J. Biol. Chem., 254, 6924-6930.
Inhibitors
| EC Number | Inhibitors | Comment | Organism | Structure |
|---|---|---|---|---|
| 4.2.1.24 | Fe2+ | noncompetitive | Homo sapiens |  |
| 4.2.1.24 | pyridoxal 5'-phosphate | competitive | Homo sapiens | |
| 4.2.1.24 | Zn2+ | activates at 0.1-0.02 mM, inhibits at 1.0 mM | Homo sapiens | |
KM Value [mM]
| EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 4.2.1.24 | 0.27 | - |
5-aminolevulinate | - |
Homo sapiens | |
Metals/Ions
| EC Number | Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|---|
| 4.2.1.24 | Zn2+ | activates at 0.1-0.02 mM, inhibits at 1.0 mM | Homo sapiens | |
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 4.2.1.24 | 31000 | - |
8 * 31000, SDS-PAGE | Homo sapiens |
| 4.2.1.24 | 252000 | - |
gel filtration | Homo sapiens |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 4.2.1.24 | Homo sapiens | - |
- |
- |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 4.2.1.24 | - |
Homo sapiens |
Source Tissue
| EC Number | Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|---|
| 4.2.1.24 | erythrocyte | - |
Homo sapiens | - |
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 4.2.1.24 | 0.31 | - |
- |
Homo sapiens |
Storage Stability
| EC Number | Storage Stability | Organism |
|---|---|---|
| 4.2.1.24 | -20°C, protein concentration above 2 mg/ml, 20 mM phosphate, 5 mM dithiothreitol, pH 6.8, stable for 6 months | Homo sapiens |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 4.2.1.24 | 5-aminolevulinate + 5-aminolevulinate | - |
Homo sapiens | porphobilinogen + 2 H2O | - |
? | |
Subunits
| EC Number | Subunits | Comment | Organism |
|---|---|---|---|
| 4.2.1.24 | octamer | 8 * 31000, SDS-PAGE | Homo sapiens |
Temperature Stability [°C]
| EC Number | Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 4.2.1.24 | 50 | - |
200 min, 50% inactivation | Homo sapiens |
| 4.2.1.24 | 55 | - |
90 min, 50% inactivation | Homo sapiens |
| 4.2.1.24 | 60 | - |
30 min, 50% inactivation | Homo sapiens |
Turnover Number [1/s]
| EC Number | Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 4.2.1.24 | additional information | - |
additional information | - |
Homo sapiens |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 4.2.1.24 | 6.3 | 6.7 | - |
Homo sapiens |
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