Inhibitors | Comment | Organism | Structure |
---|---|---|---|
EDTA | 2 mM, 11.64% inhibition | Albatrossia pectoralis | |
NaCl | 30%, activity of pepsin A decreases by 60-65% | Albatrossia pectoralis | |
pepstatin A | 0.01 mM, 98.2% inhibition | Albatrossia pectoralis |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.098 | - |
hemoglobin | pH 3.0, 37°C | Albatrossia pectoralis |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
CaCl2 | 5 mM, 1.39fold activation | Albatrossia pectoralis | |
CoCl2 | 5 mM, 1.34fold activation | Albatrossia pectoralis | |
MgCl2 | 10 mM, 1.24fold activation | Albatrossia pectoralis |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
35000 | - |
1 * 35000, SDS-PAGE | Albatrossia pectoralis |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Albatrossia pectoralis | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Albatrossia pectoralis |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
stomach | - |
Albatrossia pectoralis | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
additional information | - |
30.71 U/mg protein. One unit is defined as the amount causing an increase of 1.0 in absorbance at 280 nm per min | Albatrossia pectoralis |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
Hemoglobin + H2O | - |
Albatrossia pectoralis | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 35000, SDS-PAGE | Albatrossia pectoralis |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
45 | - |
- |
Albatrossia pectoralis |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
20 | 55 | 20°C: about 40% of maximal activity, 55°C: about 60% of maximal activity | Albatrossia pectoralis |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
15 min, about 10% loss of activity | Albatrossia pectoralis |
60 | - |
15 min, about 80% loss of activity | Albatrossia pectoralis |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
50 | - |
hemoglobin | pH 3.0, 37°C | Albatrossia pectoralis |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
3 | - |
- |
Albatrossia pectoralis |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
2.5 | 4 | pH 2.5: about 55% of maximal activity, pH 4.0: about 55% of maximal activity | Albatrossia pectoralis |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
6 | - |
room temperature, 30 min, stable below | Albatrossia pectoralis |
8 | - |
room temperature, 30 min, about 65% loss of activity | Albatrossia pectoralis |