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Summary of iron/manganese homeostasis features identified in the genomes of R. capsulatus SB1003, R. sphaeroides 2.4.1 and R. ferroxidans SW2.
| Feature type | Feature name | Rcap SB1003 | Rsph 2.4.1 | Rfer SW2 |
|---|---|---|---|---|
| Fe/Mn uptake | Feo | 2 | 1 | 1 |
| Efe | 1 | 0 | 0 | |
| MntH | 1 | 0 | 2 | |
| ABC-type | 1 | 2 | 1 | |
| Siderophore | 7 | 4 | 0 | |
| Heme | 1 | 0 | 0 | |
|
| ||||
| Total | 13 | 7 | 4 | |
|
| ||||
| Efflux pump | FieF | 1 | 1 | 1 |
|
| ||||
| Iron storage | Bfr | 1 | 2 | 0 |
| MbfA | 1 | 1 | 0 | |
|
| ||||
| Fur-type regulators | Fur | 0 | 1 | 1 |
| Irr | 1 | 1 | 1 | |
| Zur | 1 | 1 | 1 | |
|
| ||||
| Manganese regulator | MntR | 1 | 0 | 2 |
