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Literature summary extracted from
- A rapid response of beta-amylase to nitric oxide but not gibberellin in wheat seeds during the early stage of germination (2005), Planta, 220, 708-716.
Activating Compound
| EC Number | Activating Compound | Comment | Organism | Structure |
|---|---|---|---|---|
| 3.2.1.1 | additional information | no induction by gibberellin and sodium nitroprusside/NO in seeds during the early stage of germination | Triticum aestivum | |
| 3.2.1.2 | additional information | rapid induction of type II beta-amylase by nitric oxide, from sodium nitroprusside, but not by gibberellin in seeds during the early stage of germination, sodium nitroprusside also directly induces the release of the enzyme from glutenin | Triticum aestivum |
Natural Substrates/ Products (Substrates)
| EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.2.1.1 | starch + H2O | Triticum aestivum | soluble starch | malto-oligosaccharides | - |
? |  |
| 3.2.1.2 | starch + H2O | Triticum aestivum | - |
maltose + ? | - |
? | |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 3.2.1.1 | Triticum aestivum | - |
cv. Yangmai 158 | - |
| 3.2.1.2 | Triticum aestivum | - |
cv. Yangmai 158, isozymes type I and type II | - |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 3.2.1.1 | partially by preparation of enzyme extract and heat treatment at 70°C for 20 min | Triticum aestivum |
| 3.2.1.2 | partially by preparation of enzyme extract and heat treatment at 70°C for 20 min | Triticum aestivum |
Source Tissue
| EC Number | Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|---|
| 3.2.1.1 | caryopsis | - |
Triticum aestivum | - |
| 3.2.1.1 | endosperm | - |
Triticum aestivum | - |
| 3.2.1.1 | seed | - |
Triticum aestivum | - |
| 3.2.1.2 | caryopsis | - |
Triticum aestivum | - |
| 3.2.1.2 | endosperm | - |
Triticum aestivum | - |
| 3.2.1.2 | seed | - |
Triticum aestivum | - |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.2.1.1 | starch + H2O | soluble starch | Triticum aestivum | malto-oligosaccharides | - |
? | |
| 3.2.1.2 | starch + H2O | - |
Triticum aestivum | maltose + ? | - |
? | |
| 3.2.1.2 | starch + H2O | soluble starch | Triticum aestivum | maltose + ? | - |
? | |
Synonyms
| EC Number | Synonyms | Comment | Organism |
|---|---|---|---|
| 3.2.1.2 | type I beta-amylase | - |
Triticum aestivum |
| 3.2.1.2 | type II beta-amylase | - |
Triticum aestivum |
Temperature Optimum [°C]
| EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.1 | 25 | - |
assay at | Triticum aestivum |
| 3.2.1.2 | 25 | - |
assay at | Triticum aestivum |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.1 | 7 | - |
assay at | Triticum aestivum |
| 3.2.1.2 | 7 | - |
assay at | Triticum aestivum |
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Release 2023.1 (January 2023)
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