| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15599084 |
| Locus Tag | PA3889 |
| Description | probable binding protein component of ABC transporter |
| Strain | Pseudomonas sp. UW4 |
| GI | 426407645 |
| Locus Tag | PputUW4_00732 |
| Description | glycine betaine/L-proline ABC transporter substrate-binding protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643071 |
| Locus Tag | HCH_00162 |
| Description | glycine betaine/choline ABC transporter substrate-binding protein |