Cloned (Comment) | Organism |
---|---|
expression of N-terminally GFP-fused enzyme in Anabaena sp. strain CSR30 | Anabaena sp. |
Protein Variants | Comment | Organism |
---|---|---|
additional information | inactivation of gene ald results in a lack of alanine dehydrogenase activity, a substantially decreased nitrogenase activity, and a 50% reduction in the rate of diazotrophic growth. While production of alanine is not affected in the ald mutant, alanine catabolism is hampered. Construction of several mutant strains, e,g, the insertion mutant strain CSR24, phenotypes, overview | Anabaena sp. |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-alanine + NAD+ + H2O | Anabaena sp. | - |
pyruvate + NH3 + NADH + H+ | - |
r | |
L-alanine + NAD+ + H2O | Anabaena sp. PCC 7120 | - |
pyruvate + NH3 + NADH + H+ | - |
r |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Anabaena sp. | - |
gene ald, ORF alr2355 | - |
Anabaena sp. PCC 7120 | - |
gene ald, ORF alr2355 | - |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
cyst | expression in differentiating and mature heterocysts | Anabaena sp. | - |
additional information | bubbled BG110C cultures | Anabaena sp. | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.0051 | - |
strain PCC 7120, pH 8.0, 25°C | Anabaena sp. |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-alanine + NAD+ + H2O | - |
Anabaena sp. | pyruvate + NH3 + NADH + H+ | - |
r | |
L-alanine + NAD+ + H2O | - |
Anabaena sp. PCC 7120 | pyruvate + NH3 + NADH + H+ | - |
r |
Synonyms | Comment | Organism |
---|---|---|
ALD | - |
Anabaena sp. |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
25 | - |
assay at | Anabaena sp. |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8 | - |
assay at | Anabaena sp. |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
NAD+ | - |
Anabaena sp. | |
NADH | - |
Anabaena sp. |
General Information | Comment | Organism |
---|---|---|
additional information | alanine is transported from vegetative cells into heterocysts in the diazotrophic Anabaena filament | Anabaena sp. |
physiological function | the enzyme is involved in the alanine catabolism in the heterocysts, that is needed for normal diazotrophic growth | Anabaena sp. |