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Literature summary for 3.2.1.67 extracted from
- An exo-D-galacturonanase of Butyrivibrio fibrisolvens from the bovine rumen (1985), J. Gen. Microbiol., 131, 2053-2058.
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 2.24 | - |
(1,4-alpha-D-galacturonide)2 | - |
Butyrivibrio fibrisolvens |  |
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| intracellular | - |
Butyrivibrio fibrisolvens | 5622 | - |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| pectic acid + H2O | Butyrivibrio fibrisolvens | - |
D-galacturonide + ? | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Butyrivibrio fibrisolvens | - |
isolated from bovine rumen | - |
| Butyrivibrio fibrisolvens 781 | - |
isolated from bovine rumen | - |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Butyrivibrio fibrisolvens |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 1.7 | - |
sodium pectate | Butyrivibrio fibrisolvens |
| 5.45 | - |
digalacturonic acid | Butyrivibrio fibrisolvens |
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 | Butyrivibrio fibrisolvens | D-galacturonic acid | - |
? | |
| (1,4-alpha-D-galacturonide)2 + H2O | specific substrate for exo-D-galactoronanase | Butyrivibrio fibrisolvens 781 | D-galacturonic acid | - |
? | |
| (1,4-alpha-D-galacturonide)3 + H2O | - |
Butyrivibrio fibrisolvens | galacturonic acid | - |
? | |
| (1,4-alpha-D-galacturonide)3 + H2O | - |
Butyrivibrio fibrisolvens 781 | galacturonic acid | - |
? | |
| (1,4-alpha-D-galacturonide)4 + H2O | - |
Butyrivibrio fibrisolvens | D-galacturonate | - |
? | |
| (1,4-alpha-D-galacturonide)4 + H2O | - |
Butyrivibrio fibrisolvens 781 | D-galacturonate | - |
? | |
| (1,4-alpha-D-galacturonide)5 + H2O | - |
Butyrivibrio fibrisolvens | 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 | - |
Butyrivibrio fibrisolvens | D-galacturonic acid + (1,4-alpha-D-galacturonide)5 | - |
? | |
| (1,4-alpha-D-galacturonide)n + H2O | - |
Butyrivibrio fibrisolvens | D-galacturonate + digalacturonic acid + trigalacturonic acid | - |
? | |
| (1,4-alpha-D-galacturonide)n + H2O | - |
Butyrivibrio fibrisolvens 781 | D-galacturonate + digalacturonic acid + trigalacturonic acid | - |
? | |
| pectic acid + H2O | - |
Butyrivibrio fibrisolvens | D-galacturonide + ? | - |
? | |
| pectin + H2O | - |
Butyrivibrio fibrisolvens | digalacturonate + D-galacturonic acid | unsaturated, digalacturonate main end product | ? | |
| pectin + H2O | - |
Butyrivibrio fibrisolvens 781 | digalacturonate + D-galacturonic acid | unsaturated, digalacturonate main end product | ? | |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 5.6 | - |
pectate | Butyrivibrio fibrisolvens |
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