| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15600289 |
| Locus Tag | PA5096 |
| Description | probable binding protein component of ABC transporter |
| Strain | Pseudomonas putida HB3267 |
| GI | 431802322 |
| Locus Tag | B479_11920 |
| Description | putative histidine transporter substrate-binding protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644217 |
| Locus Tag | HCH_01363 |
| Description | glycine betaine transporter periplasmic subunit |