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Literature summary extracted from
- Molecular and enzymatic properties of an aspartic proteinase from Rhizopus hangchow (1995), Phytochemistry, 38, 27-30.
Inhibitors
| EC Number | Inhibitors | Comment | Organism | Structure |
|---|---|---|---|---|
| 3.4.23.21 | Diazoacetyl-DL-norleucine methyl ester | - |
Rhizopus arrhizus |  |
| 3.4.23.21 | pepstatin | A | Rhizopus arrhizus | |
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 3.4.23.21 | 36000 | - |
Rhizopus hangchow, FPLC gel filtration | Rhizopus arrhizus |
| 3.4.23.21 | 37600 | - |
1 * 37600, Rhizopus hangchow, SDS-PAGE | Rhizopus arrhizus |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 3.4.23.21 | Rhizopus arrhizus | - |
- |
- |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 3.4.23.21 | - |
Rhizopus arrhizus |
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 3.4.23.21 | additional information | - |
- |
Rhizopus arrhizus |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.4.23.21 | casein + H2O | - |
Rhizopus arrhizus | ? | - |
? | |
| 3.4.23.21 | additional information | milk clotting activity | Rhizopus arrhizus | ? | - |
? | |
| 3.4.23.21 | additional information | trypsinogen activation | Rhizopus arrhizus | ? | - |
? | |
| 3.4.23.21 | Oxidized insulin B-chain + H2O | primarily the Leu15-Tyr16 bond and the Tyr16-Leu17 bond is hydrolyzed, additional cleavage of the bonds Ala14-Leu15 and Phe24-Phe25 | Rhizopus arrhizus | Proteolytically cleaved oxidized insulin B-chain | - |
? | |
Subunits
| EC Number | Subunits | Comment | Organism |
|---|---|---|---|
| 3.4.23.21 | monomer | 1 * 37600, Rhizopus hangchow, SDS-PAGE | Rhizopus arrhizus |
Temperature Stability [°C]
| EC Number | Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 3.4.23.21 | 45 | - |
pH 3, 5 min, stable | Rhizopus arrhizus |
| 3.4.23.21 | 50 | - |
pH 3, 5 min, complete inactivation | Rhizopus arrhizus |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 3.4.23.21 | 3 | 4 | trypsinogen activation | Rhizopus arrhizus |
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