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Literature summary for 3.2.1.67 extracted from
- Purification and a partial characterization of exo-D-galacturonanase of banana (1982), Collect. Czech. Chem. Commun., 47, 2433-2439.
No PubMed abstract available
General Stability
| General Stability | Organism |
|---|---|
| stable in acidic medium | Musa x paradisiaca |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| pectic acid + H2O | Musa x paradisiaca | - |
D-galacturonide + ? | - |
? |  |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Musa x paradisiaca | - |
banana, var. GROS MICHEL | - |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Musa x paradisiaca |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| peel | - |
Musa x paradisiaca | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| (1,4-alpha-D-galacturonide)2 + H2O | specific substrate for exo-D-galactoronanase | Musa x paradisiaca | D-galacturonic acid | - |
? | |
| (1,4-alpha-D-galacturonide)3 + H2O | - |
Musa x paradisiaca | galacturonic acid | - |
? | |
| (1,4-alpha-D-galacturonide)4 + H2O | - |
Musa x paradisiaca | (1,4-alpha-D-galacturonide)3 + D-galacturonic acid | - |
? | |
| (1,4-alpha-D-galacturonide)4 + H2O | - |
Musa x paradisiaca | D-galacturonate | - |
? | |
| (1,4-alpha-D-galacturonide)5 + H2O | - |
Musa x paradisiaca | D-galacturonic acid + (1,4-alpha-D-galacturonide)2 + (1,4-alpha-D-galacturonide)3 + (1,4-alpha-D-galacturonide)4 | - |
? | |
| (1,4-alpha-D-galacturonide)6 + H2O | - |
Musa x paradisiaca | D-galacturonic acid + (1,4-alpha-D-galacturonide)5 | - |
? | |
| (1,4-alpha-D-galacturonide)7 + H2O | - |
Musa x paradisiaca | ? | - |
? | |
| (1,4-alpha-D-galacturonide)8 + H2O | - |
Musa x paradisiaca | ? | - |
? | |
| (1,4-alpha-D-galacturonide)n + H2O | 51% degraded | Musa x paradisiaca | D-galacturonate + digalacturonic acid + trigalacturonic acid | - |
? | |
| oligo-D-galacturonate + H2O | - |
Musa x paradisiaca | D-galacturonic acid | - |
? | |
| pectic acid + H2O | - |
Musa x paradisiaca | D-galacturonic acid + ? | - |
? | |
| pectic acid + H2O | - |
Musa x paradisiaca | D-galacturonide + ? | - |
? | |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 50 | - |
digalacturonate | Musa x paradisiaca |
Temperature Range [°C]
| Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 60 | - |
not active above, digalacturonate | Musa x paradisiaca |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 50 | - |
rapid inactivation at temperatures above 60°C | Musa x paradisiaca |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 4.4 | - |
depending upon chain length, digalacturonate, tetragalacturonate | Musa x paradisiaca |
| 4.6 | - |
depending upon chain length, hexagalacturonate, heptagalacturonate | Musa x paradisiaca |
| 4.9 | - |
polygalacturonate | Musa x paradisiaca |
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