| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596087 |
| Locus Tag | PA0890 |
| Description | arginine/ornithine transport protein AotM |
| Strain | Pseudomonas fluorescens SBW25 |
| GI | 229592161 |
| Locus Tag | PFLU4763 |
| Description | putative histidine transporter permease |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647882 |
| Locus Tag | HCH_05216 |
| Description | arginine/histidine ABC transporter permease |