Activating Compound | Comment | Organism | Structure |
---|---|---|---|
nitrate | 2fold enhanced induction independently of the NH4+ concentration, growth stimulation is higher on nitrate than on nitrite | Bradyrhizobium sp. |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
additional information | intracellularly accumulated nitrite can inhibit nitrate uptake, addition of nitrite at concentrations above 5 mM is toxic and causes growth retardation | Bradyrhizobium sp. | |
NH4+ | inhibits under aerobic and anaerobic conditions | Bradyrhizobium sp. | |
O2 | enzyme activity under anaerobic conditions is 2fold higher than under aerobic conditions | Bradyrhizobium sp. |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Bradyrhizobium sp. | - |
Lupinus, strain USDA 3045 | - |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
cell culture | free-living cells, yeast extract/mannitol medium | Bradyrhizobium sp. | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.06 | - |
activity under aerobic conditions in presence of NH4+ | Bradyrhizobium sp. |
0.1 | - |
activity under aerobic conditions | Bradyrhizobium sp. |
0.13 | - |
activity under anaerobic conditions in presence of NH4+ | Bradyrhizobium sp. |
0.18 | - |
activity under anaerobic conditions | Bradyrhizobium sp. |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
nitrite + reduced benzyl viologen | - |
Bradyrhizobium sp. | ammonium hydroxide + H2O + benzyl viologen | - |
? |
Synonyms | Comment | Organism |
---|---|---|
NiR | - |
Bradyrhizobium sp. |
nitrite reductase | - |
Bradyrhizobium sp. |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | - |
assay at | Bradyrhizobium sp. |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.5 | - |
assay at | Bradyrhizobium sp. |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
benzyl viologen | - |
Bradyrhizobium sp. |