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Some bacteria have an alternative nitrogenase that is a vanadium enzyme.
| Symbol | V |
|---|---|
| Atomic number | 23 |
| Standard atomic weight | 50.9415 |
| Group | 5 |
| Period | 4 |
| Block | d-block |
| Category | Transition metal |
| Standard state | Solid |
| Discovered | 1801 |
Source: PubChem, Vanadium (periodic table data, retrieved 2026-10-19). Group and period follow the standard 18-column periodic table.
Robson and colleagues showed that the alternative nitrogenase of the bacterium Azotobacter chroococcum is a vanadium enzyme.
As reported in: Robson, Eady, Richardson et al. (1986). The alternative nitrogenase of Azotobacter chroococcum is a vanadium enzyme. Nature. doi:10.1038/322388a0
Abstract only
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