| Strain | Pseudomonas brassicacearum subsp. brassicacearum NFM421 |
| GI | 330807063 |
| Locus Tag | PSEBR_a380 |
| Description | ABC transporter substrate-binding protein |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501677887 |
| Locus Tag | PFLCHA0_c04100 |
| Description | histidine transporter, periplasmic histidine-binding protein ProX |
| Strain | Pseudomonas putida HB3267 |
| GI | 431802322 |
| Locus Tag | B479_11920 |
| Description | putative histidine transporter substrate-binding protein |