Any feedback?
Literature summary for 3.4.23.19 extracted from
- Specificity of acid proteinase A from Aspergillus niger var. macrosporus towards B-chain of performic acid oxidized bovine insulin (1976), Biochim. Biophys. Acta, 429, 912-924.
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| 1,2-epoxy-3-(4-nitrophenoxy)propane | not | Aspergillus niger |  |
| Diazoacetyl-DL-norleucine methyl ester | in the presence of Cu2+ | Aspergillus niger | |
| additional information | no inhibition by diisopropyl fluorophosphate; no inhibition by pepstatin | Aspergillus niger |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Aspergillus niger | - |
var. macrosporus | - |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| commercial preparation | proctase powder, crude enzyme powder from waters of Koji cultures | Aspergillus niger | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| casein + H2O | - |
Aspergillus niger | hydrolyzed casein | - |
? | |
| Oxidized insulin B-chain + H2O | major cleavage sites: Asn3-Gln4, Glu13-Ala14, Tyr26-Thr27, minor site: Gly20-Glu21 | Aspergillus niger | Hydrolyzed insulin B-chain | - |
? | |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 30 | - |
assay at | Aspergillus niger |
Use of this online version of BRENDA is free under the CC BY 4.0 license. See terms of use for full details.
Release 2023.1 (January 2023)
Legal
Curated at
Member of
