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Literature summary extracted from
- Diaminopimelate decarboxylase (Escherichia coli) (1971), Methods Enzymol., 17B, 140-145.
No PubMed abstract available
Activating Compound
| EC Number | Activating Compound | Comment | Organism | Structure |
|---|---|---|---|---|
| 4.1.1.20 | 2,3-Dimercaptopropan-1-ol | activates | Escherichia coli |  |
Inhibitors
| EC Number | Inhibitors | Comment | Organism | Structure |
|---|---|---|---|---|
| 4.1.1.20 | 2,3-Diaminopropionic acid | - |
Escherichia coli | |
| 4.1.1.20 | glutamic acid | - |
Escherichia coli | |
| 4.1.1.20 | L-cystine | - |
Escherichia coli | |
| 4.1.1.20 | L-lysine | - |
Escherichia coli | |
| 4.1.1.20 | Penicillamine | no effect at 10fold pyridoxal phosphate concentration | Escherichia coli | |
KM Value [mM]
| EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 4.1.1.20 | 1.7 | - |
meso-2,6-diamininoheptanedioate | - |
Escherichia coli | |
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 4.1.1.20 | 200000 | - |
- |
Escherichia coli |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 4.1.1.20 | Escherichia coli | - |
- |
- |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 4.1.1.20 | - |
Escherichia coli |
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 4.1.1.20 | 7.5 | - |
- |
Escherichia coli |
Storage Stability
| EC Number | Storage Stability | Organism |
|---|---|---|
| 4.1.1.20 | -15°C, sodium phosphate buffer, pH 6.8, 4 months, about 50% loss of activity | Escherichia coli |
| 4.1.1.20 | 2¦C, sodium phosphate buffer, pH 6.8, several days | Escherichia coli |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 4.1.1.20 | meso-2,6-Diaminoheptanedioate | - |
Escherichia coli | L-Lysine + CO2 | - |
? | |
Temperature Optimum [°C]
| EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 4.1.1.20 | additional information | - |
- |
Escherichia coli |
| 4.1.1.20 | 37 | - |
enzyme assay at | Escherichia coli |
Temperature Range [°C]
| EC Number | Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 4.1.1.20 | 25 | 45 | relative rates of decarboxylation at 25C, 37C, 45C are 0.17 : 1.0 : 1.6 | Escherichia coli |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 4.1.1.20 | 6.8 | - |
- |
Escherichia coli |
Cofactor
| EC Number | Cofactor | Comment | Organism | Structure |
|---|---|---|---|---|
| 4.1.1.20 | pyridoxal 5'-phosphate | absolute requirement | Escherichia coli | |
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