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Literature summary for 3.2.1.11 extracted from
- Optimization of sugarcane factory application of commercial dextranases (2005), Process Biochem., 40, 1881-1894.
No PubMed abstract available
Application
| Application | Comment | Organism |
|---|---|---|
| agriculture | sugar manufacture | Achaetomiella gracilis |
| agriculture | sugar manufacture | Chaetomium erraticum |
General Stability
| General Stability | Organism |
|---|---|
| non-concentrated dextranase unstable at refridgerator temperatures | Achaetomiella gracilis |
| non-concentrated dextranase unstable at refridgerator temperatures | Chaetomium erraticum |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Achaetomiella gracilis | - |
concentrated dextranase 1 and non-concentrated dextranase 3 | - |
| Chaetomium erraticum | - |
concentrated dextranase 2 and non-concentrated dextranase 4 | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| additional information | - |
60603.3 dextranase units/mg, concentrated dextranase 1, one dextranase unit is the amount of enzyme that degrades dextran to produce reducing sugar equivalent to 1 mg maltose per h per g at 40°C and pH 5.4 | Achaetomiella gracilis |
| additional information | - |
6356.3 dextranase units/mg, one unitis the amount of enzyme that degrades dextran to produce reducing sugar equivalent to 1 mg maltose per h per g at 40°C and pH 5.4 | Chaetomium erraticum |
| additional information | - |
8290.8 dextranase units/mg, concentrated dextranase 3, factory 2, amount of enzyme that degrades dextran to produce reducing sugar equivalent to 1 mg maltose per h per g at 40°C and pH 5.4 | Achaetomiella gracilis |
| additional information | - |
8402.8 dextranase units/mg, concentrated dextranase 3, factory 1, amount of enzyme that degrades dextran to produce reducing sugar equivalent to 1 mg maltose per h per g at 40°C and pH 5.4 | Achaetomiella gracilis |
Storage Stability
| Storage Stability | Organism |
|---|---|
| 23-27°C in the dark | Achaetomiella gracilis |
| 23-27°C in the dark | Chaetomium erraticum |
| non-concentrated dextranase very unstable at storage in a refrigeerator | Achaetomiella gracilis |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| dextran + H2O | - |
Chaetomium erraticum | ? | - |
? |  |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 43.3 | 54.4 | - |
Achaetomiella gracilis |
| 43.3 | 54.4 | - |
Chaetomium erraticum |
Temperature Range [°C]
| Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 50 | 60 | non-concentrated dextranase 4 | Chaetomium erraticum |
| 50 | 75 | concentrated dextranase 1 | Achaetomiella gracilis |
| 55 | 60 | concentrated dextranase 2 | Chaetomium erraticum |
| 55 | 60 | concentrated dextranase 3 | Achaetomiella gracilis |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 5.4 | 5.8 | in juice, syrups are less optimal than juices | Achaetomiella gracilis |
| 5.4 | 5.8 | in juice, syrups are less optimal than juices | Chaetomium erraticum |
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Release 2023.1 (January 2023)
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