| Strain | Pseudomonas fluorescens SBW25 |
| GI | 229590060 |
| Locus Tag | PFLU2592 |
| Description | glycine betaine/L-proline ABC transporter substrate-binding periplasmic protein |
| Strain | Pseudomonas resinovorans NBRC 106553 |
| GI | 512620963 |
| Locus Tag | PCA10_53100 |
| Description | putative amino acid ABC transporter substrate-binding protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644217 |
| Locus Tag | HCH_01363 |
| Description | glycine betaine transporter periplasmic subunit |