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Literature summary for 3.4.22.34 extracted from
- Substrate specificity of schistosome versus human legumain determined by P1-P3 peptide libraries (2002), Mol. Biochem. Parasitol., 121, 99-105.
Protein Variants
| Protein Variants | Comment | Organism |
|---|---|---|
| N197C | site-directed mutagenesis, the mutation renders the enzyme of Sm32 active | Schistosoma mansoni |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.07 | - |
acetyl-Thr-Ala-Asn-4-methylcoumarin-7-amide | pH 5.5, 25°C | Schistosoma mansoni |  |
| 0.08 | - |
benzyloxycarbonyl-Ala-Ala-Asn-4-methylcoumarin-7-amide | pH 5.5, 25°C | Homo sapiens | |
| 0.09 | - |
benzyloxycarbonyl-Ala-Ala-Asn-4-methylcoumarin-7-amide | pH 5.5, 25°C | Schistosoma mansoni | |
| 0.122 | - |
acetyl-Pro-Thr-Asn-4-methylcoumarin-7-amide | pH 5.5, 25°C | Homo sapiens | |
| 0.128 | - |
acetyl-Thr-Ala-Asn-4-methylcoumarin-7-amide | pH 5.5, 25°C | Homo sapiens | |
| 0.286 | - |
acetyl-Pro-Thr-Asn-4-methylcoumarin-7-amide | pH 5.5, 25°C | Schistosoma mansoni | |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| protein + H2O | Homo sapiens | - |
peptides | - |
? | |
| protein + H2O | Schistosoma mansoni | - |
peptides | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Homo sapiens | - |
- |
- |
| Schistosoma mansoni | - |
2 recombinant isoforms Sm32 and N197CSm32 | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| acetyl-Pro-Thr-Asn-4-methylcoumarin-7-amide + H2O | - |
Homo sapiens | acetyl-Pro-Thr-Asn + 7-amino-4-methylcoumarin | - |
? | |
| acetyl-Pro-Thr-Asn-4-methylcoumarin-7-amide + H2O | - |
Schistosoma mansoni | acetyl-Pro-Thr-Asn + 7-amino-4-methylcoumarin | - |
? | |
| acetyl-Thr-Ala-Asn-4-methylcoumarin-7-amide + H2O | - |
Homo sapiens | acetyl-Thr-Ala-Asn + 7-amino-4-methylcoumarin | - |
? | |
| acetyl-Thr-Ala-Asn-4-methylcoumarin-7-amide + H2O | - |
Schistosoma mansoni | acetyl-Thr-Ala-Asn + 7-amino-4-methylcoumarin | - |
? | |
| benzyloxycarbonyl-Ala-Ala-Asn-4-methylcoumarin-7-amide + H2O | - |
Homo sapiens | benzyloxycarbonyl-Ala-Ala-Asn + 7-amino-4-methylcoumarin | - |
? | |
| benzyloxycarbonyl-Ala-Ala-Asn-4-methylcoumarin-7-amide + H2O | - |
Schistosoma mansoni | benzyloxycarbonyl-Ala-Ala-Asn + 7-amino-4-methylcoumarin | - |
? | |
| cathepsin B proform + H2O | cleavage at the sequence Asp-Trp-Asn-Val-Ile-Pro, cleavage site between Asn and Val, between the prodomain and the mature regions of the protein, activation of the substrate, recombinant substrate from Schistosoma mansoni | Schistosoma mansoni | activated cathepsin B | - |
? | |
| additional information | no activity with acetyl-Phe-Tyr-Asn-4-methylcoumarin-7-amide | Homo sapiens | ? | - |
? | |
| additional information | no activity with acetyl-Phe-Tyr-Asn-4-methylcoumarin-7-amide | Schistosoma mansoni | ? | - |
? | |
| protein + H2O | - |
Homo sapiens | peptides | - |
? | |
| protein + H2O | - |
Schistosoma mansoni | peptides | - |
? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| Asparaginyl endopeptidase | - |
Homo sapiens |
| Asparaginyl endopeptidase | - |
Schistosoma mansoni |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 25 | - |
assay at | Homo sapiens |
| 25 | - |
assay at | Schistosoma mansoni |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 5.5 | - |
assay at | Homo sapiens |
| 5.5 | - |
assay at | Schistosoma mansoni |
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