Activating Compound | Comment | Organism | Structure |
---|---|---|---|
additional information | activation of pepsinogen B to pepsin B rapidly at pH 2, more slowly at pH 4, pepsinogen B contains 1 mol phosphate per mol enzyme, function unclear | Sus scrofa |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
57200 | - |
pepsinogen B, gel filtration, 57200 | Sus scrofa |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
Proteins + H2O | Sus scrofa | enzyme formed from pepsinogen B, more restricted specificity than pepsin A | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Sus scrofa | - |
- |
- |
Posttranslational Modification | Comment | Organism |
---|---|---|
proteolytic modification | - |
Sus scrofa |
Purification (Comment) | Organism |
---|---|
pepsinogen B | Sus scrofa |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
gastric mucosa | - |
Sus scrofa | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
additional information | - |
with pepsinogen B | Sus scrofa |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
acetyl-Phe-L-diiodotyrosine + H2O | - |
Sus scrofa | acetyl-L-phenylalanine + L-diiodotyrosine | - |
ir | |
gelatin + H2O | - |
Sus scrofa | ? + ? | - |
ir | |
additional information | little if any activity with hemoglobin | Sus scrofa | ? | - |
? | |
proteins + H2O | gelatin | Sus scrofa | acetyl-L-phenylalanyl-L-diiodotyrosine + H2O | - |
ir | |
proteins + H2O | more restricted specificity than pepsin A | Sus scrofa | acetyl-L-phenylalanyl-L-diiodotyrosine + H2O | - |
ir | |
proteins + H2O | little activity with hemoglobin | Sus scrofa | acetyl-L-phenylalanyl-L-diiodotyrosine + H2O | - |
ir | |
Proteins + H2O | enzyme formed from pepsinogen B, more restricted specificity than pepsin A | Sus scrofa | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | N-terminal amino acid sequence reported | Sus scrofa |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
35.5 | - |
assay at | Sus scrofa |