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Literature summary for 3.2.1.21 extracted from
- Characterization of cyanogenic glucosides and beta-glucosidases in Triglochin maritima seedlings (1979), Phytochemistry, 18, 1137-1141.
No PubMed abstract available
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.1 | - |
4-methylumbelliferyl-beta-D-glucoside | beta-glucosidase C, pH 5, 30°C | Triglochin maritima |  |
| 0.13 | - |
4-nitrophenyl-beta-D-glucoside | beta-glucosidase C, pH 5, 30°C | Triglochin maritima | |
| 0.4 | - |
Dhurrin | beta-glucosidase C, pH 5, 30°C | Triglochin maritima | |
| 0.4 | - |
taxiphyllin | beta-glucosidase C, pH 5, 30°C | Triglochin maritima | |
| 0.6 | - |
triglochinin | beta-glucosidase B, pH 5, 30°C | Triglochin maritima | |
| 2 | - |
Dhurrin | beta-glucosidase B, pH 5, 30°C | Triglochin maritima | |
| 2 | - |
4-nitrophenyl-beta-D-glucoside | beta-glucosidase B, pH 5, 30°C | Triglochin maritima | |
| 2 | - |
4-methylumbelliferyl-beta-D-glucoside | beta-glucosidase B, pH 5, 30°C | Triglochin maritima | |
| 2 | - |
triglochinin | beta-glucosidase C, pH 5, 30°C | Triglochin maritima | |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 120000 | - |
beta-glucosidase B, +/-10%, determined by 5-20% linear sucrose gradient centrifugation | Triglochin maritima |
| 125000 | - |
beta-glucosidase B, +/-10%, determined by Sephadex G 200 | Triglochin maritima |
| 220000 | - |
beta-glucosidase C, +/-10%, determined by 5-20% linear sucrose gradient centrifugation | Triglochin maritima |
| 290000 | - |
beta-glucosidase C, +/-10%, determined by Sephadex G 200 | Triglochin maritima |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Triglochin maritima | - |
- |
- |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| 4-methylumbelliferyl-beta-D-glucoside + H2O | - |
Triglochin maritima | 4-methylumbelliferone + D-glucose | - |
? | |
| 4-nitrophenyl beta-D-glucoside + H2O | - |
Triglochin maritima | 4-nitrophenol + D-glucose | - |
? | |
| dhurrin + H2O | - |
Triglochin maritima | 4-hydroxybenzaldehyde + hydrogen cyanide + D-glucose | - |
? | |
| taxiphyllin + H2O | - |
Triglochin maritima | 4-hydroxybenzaldehyde + hydrogen cyanide + D-glucose | - |
? | |
| triglochinin + H2O | - |
Triglochin maritima | ? | - |
? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| beta-glucosidase B | - |
Triglochin maritima |
| beta-glucosidase C | - |
Triglochin maritima |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 4 | - |
beta-glucosidases B and C, stored at 4°C for several months without loss of activity | Triglochin maritima |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 5 | - |
beta-glucosidase C | Triglochin maritima |
| 5.2 | - |
beta-glucosidase B | Triglochin maritima |
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