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Literature summary for 3.4.11.5 extracted from
- Purification and properties of a proline iminopeptidase from apricot seeds (1982), J. Biochem., 92, 413-421.
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| 5,5'-dithiobis(2-nitrobenzoate) | - |
Prunus armeniaca |  |
| Cd2+ | - |
Prunus armeniaca | |
| Cu2+ | - |
Prunus armeniaca | |
| diethyldicarbonate | - |
Prunus armeniaca | |
| Hg2+ | - |
Prunus armeniaca | |
| N-ethylmaleimide | - |
Prunus armeniaca | |
| p-bromophenacyl bromide | - |
Prunus armeniaca | |
| p-chloromercuribenzoate | - |
Prunus armeniaca | |
| Zn2+ | - |
Prunus armeniaca | |
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| additional information | no metalloenzyme | Prunus armeniaca |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 55000 | - |
4 * 55000, SDS-PAGE, SDS-PAGE with mercaptoethanol | Prunus armeniaca |
| 220000 | - |
gel filtration | Prunus armeniaca |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Prunus armeniaca | - |
apricot | - |
Oxidation Stability
| Oxidation Stability | Organism |
|---|---|
| methylene blue or rose bengal, photooxidation | Prunus armeniaca |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Prunus armeniaca |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| seed | - |
Prunus armeniaca | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| additional information | - |
- |
Prunus armeniaca |
Storage Stability
| Storage Stability | Organism |
|---|---|
| -20°C, 50% v/v glycerol, at least 6 months | Prunus armeniaca |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| L-prolyl-peptide + H2O | influence of amino acid adjacent to N-terminal L-Pro on rate of hydrolysis | Prunus armeniaca | L-proline + peptide | - |
? | |
| N-L-Pro-2-naphthylamide + H2O | - |
Prunus armeniaca | L-proline + naphthylamine | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| tetramer | 4 * 55000, SDS-PAGE, SDS-PAGE with mercaptoethanol | Prunus armeniaca |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 40 | - |
up to | Prunus armeniaca |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7.5 | 8 | - |
Prunus armeniaca |
pH Stability
| pH Stability | pH Stability Maximum | Comment | Organism |
|---|---|---|---|
| 6.5 | 8 | overnight at 4°C | Prunus armeniaca |
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