| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28869035 |
| Locus Tag | PSPTO_1830 |
| Description | histidine ABC transporter ATP-binding protein |
| Strain | Pseudomonas fluorescens SBW25 |
| GI | 229592159 |
| Locus Tag | PFLU4761 |
| Description | histidine transport ATP-binding protein |
| Strain | Pseudomonas aeruginosa B136-33 |
| GI | 478480366 |
| Locus Tag | G655_20890 |
| Description | arginine/ornithine transport protein AotP |