| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15599086 |
| Locus Tag | PA3891 |
| Description | probable ATP-binding component of ABC transporter |
| Strain | Pseudomonas putida BIRD-1 |
| GI | 386010531 |
| Locus Tag | PPUBIRD1_0919 |
| Description | Glycine betaine/L-proline ABC transporter, ATPase subunit |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643069 |
| Locus Tag | HCH_00160 |
| Description | proline/glycine betaine ABC transporter ATPase |