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Literature summary for 3.2.1.98 extracted from
- Isolation and action pattern of maltohexaose producing amylase from Aerobacter aerogenes (1972), FEBS Lett., 26, 281-285.
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| cell bound | - |
Klebsiella pneumoniae | - |
- |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Enterobacter cloacae | - |
- |
- |
| Klebsiella pneumoniae | - |
Aerobacter aerogenes | - |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| partial | Klebsiella pneumoniae |
Reaction
| Reaction | Comment | Organism | Reaction ID |
|---|---|---|---|
| (Glcalpha(1-4))m + H2O = (Glcalpha(1-4))m-6 + maltohexaose | reaction mechanism is exo | Klebsiella pneumoniae |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| amylopectin + H2O | - |
Enterobacter cloacae | maltohexaose + ? | - |
? |  |
| amylopectin + H2O | - |
Klebsiella pneumoniae | maltohexaose + ? | more than 35% maltohexaose | ? | |
| amylose + H2O | - |
Enterobacter cloacae | maltohexaose | - |
? | |
| amylose + H2O | - |
Klebsiella pneumoniae | maltohexaose | - |
? | |
| maltohexaose + H2O | poor substrate | Klebsiella pneumoniae | maltose + maltotetraose | main product | ? | |
| maltooligosaccharide + H2O | maltooligosaccharide larger than G6, maltohexaose | Klebsiella pneumoniae | maltohexaose + ? | main product | ? | |
| maltotetraose | - |
Klebsiella pneumoniae | maltohexaose + maltose | - |
? | |
| additional information | no reaction on pullulan | Klebsiella pneumoniae | ? | - |
? | |
| additional information | exo action pattern | Klebsiella pneumoniae | ? | - |
? | |
| starch + H2O | - |
Enterobacter cloacae | maltohexaose + ? | main product | ? | |
| starch + H2O | waxy-maize starch | Klebsiella pneumoniae | maltohexaose + ? | main product | ? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| G6-producing amylase | - |
Enterobacter cloacae |
| G6-producing amylase | - |
Klebsiella pneumoniae |
| maltohexaose producing amylase | - |
Klebsiella pneumoniae |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 45 | - |
cell-bound enzyme | Klebsiella pneumoniae |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 20 | 45 | cell-bound enzyme, stable between, 1 h | Klebsiella pneumoniae |
| 50 | - |
cell-bound enzyme, 50% of activity lost at 50°C | Klebsiella pneumoniae |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7 | - |
cell-bound enzyme | Klebsiella pneumoniae |
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Release 2023.1 (January 2023)
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