Activating Compound | Comment | Organism | Structure |
---|---|---|---|
additional information | the enzyme is induced during low temperature stress at 4°C | Arabidopsis thaliana |
Cloned (Comment) | Organism |
---|---|
DNA sequence determination, construction of BMY8 knockout plants, and of BMY8 RNAi plants | Arabidopsis thaliana |
Protein Variants | Comment | Organism |
---|---|---|
additional information | construction of BMY8 knockout plants, and of BMY8 RNAi plants, enzyme induction upon a cold shock leads to starch-dependent maltose accumulation, which can be prevented by RNA interference, phenotype and starch content of recombinant BMY8 RNAi plants, freezing tolerance of recombinant plants, overview | Arabidopsis thaliana |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
starch + H2O | Arabidopsis thaliana | enzyme induction upon a cold shock at 4°C leads to starch-dependent maltose accumulation, which might be required for protection of the photosynthetic electron transport chain and sensitization of PSII during freezing, maltose influences the carbohydrate metabolism, overview | maltose + ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Arabidopsis thaliana | O23553 | gene dl4575c or At4g170990, putative beta-amylase; ecotype Columbia, gene dl4575c or At4g170990 | - |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
cotyledon | - |
Arabidopsis thaliana | - |
leaf | - |
Arabidopsis thaliana | - |
seedling | - |
Arabidopsis thaliana | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
additional information | - |
- |
Arabidopsis thaliana |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
starch + H2O | - |
Arabidopsis thaliana | maltose + ? | - |
? | |
starch + H2O | enzyme induction upon a cold shock at 4°C leads to starch-dependent maltose accumulation, which might be required for protection of the photosynthetic electron transport chain and sensitization of PSII during freezing, maltose influences the carbohydrate metabolism, overview | Arabidopsis thaliana | maltose + ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
ARATH | - |
Arabidopsis thaliana |
beta-amylase8 | - |
Arabidopsis thaliana |
BMY | - |
Arabidopsis thaliana |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
additional information | - |
freezing tolerance of recombinant plants, overview | Arabidopsis thaliana |