Table 1. Comparison of some response regulators.
| Protein | Organism | pI | Number of histidines | % identity with SsrB |
|---|---|---|---|---|
| SsrB | Salmonella Typhimurium | 7.12 | 9 | 100.0 |
| RcsB | Escherichia coli K12 | 6.85 | 3 | 25.5 |
| RcsB | Salmonella Typhimurium | 6.85 | 3 | 25.5 |
| EvgA | Shigella flexineri | 6.83 | 3 | 28.2 |
| Spo0A | Bacillus stearothermophilus | 6.31 | 9 | 25.2 |
| NarL | E. coli K12 | 5.73 | 6 | 28.3 |
| DegU | Bacillus subtilis | 5.66 | 11 | 26.8 |
| DosR | Mycobacterium tuberculosis | 5.62 | 1 | 27.5 |
| VraR | Staphylococcus aureus | 5.47 | 5 | 29.2 |
| StyR | Pseudomonas fluorescens | 5.42 | 6 | 26.5 |
| LiaR | Enterococcus faecium | 5.11 | 5 | 30.0 |
| Spr1814 | Streptococcus pneumoniae | 4.95 | 1 | 25.6 |
| PhoP | E. coli | 5.10 | 6 | 22.5 |
| OmpR | E. coli | 6.04 | 3 | 31.6 |