| Strain | Pseudomonas aeruginosa M18 |
| GI | 386059314 |
| Locus Tag | PAM18_3251 |
| Description | cysteinyl-tRNA synthetase |
| Strain | Pseudomonas poae RE*1-1-14 |
| GI | 447917289 |
| Locus Tag | H045_11480 |
| Description | cysteinyl-tRNA ligase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644974 |
| Locus Tag | HCH_02154 |
| Description | cysteinyl-tRNA synthetase |