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Literature summary for 3.4.25.1 extracted from
- Purification and characterization of proteasome from ostrich liver (1997), Int. J. Biochem. Cell Biol., 29, 611-622.
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| cetyltrimethylammonium bromide | - |
Struthio camelus |  |
| leupeptin | inhibits trypsin-like activity | Struthio camelus | |
| p-chloromercuribenzoic acid | - |
Struthio camelus | |
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| PMSF | activates chymotrypsin-like activity | Struthio camelus | |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 665000 | - |
non-denaturing PAGE | Struthio camelus |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Struthio camelus | - |
ostrich | - |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Struthio camelus |
Reaction
| Reaction | Comment | Organism | Reaction ID |
|---|---|---|---|
| cleavage of peptide bonds with very broad specificity | peptidylglutamyl peptide hydrolase, chymotrypsin-like and trypsin-like activities | Struthio camelus |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| liver | - |
Struthio camelus | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 3.47 | - |
- |
Struthio camelus |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| benzyloxycarbonyl-Gly-Gly-Leu-p-nitroanilide + H2O | - |
Struthio camelus | ? | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| More | subunits from 20000-31000 | Struthio camelus |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 45 | - |
peptidylglutamyl peptide hydrolase activity | Struthio camelus |
| 50 | - |
chymotrypsin-like and trypsin-like activities | Struthio camelus |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7 | - |
chymptrypsin-like and peptidylglutamyl peptide hydrolase activity | Struthio camelus |
| 8 | - |
for trypsin-like activity | Struthio camelus |
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Release 2023.1 (January 2023)
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