| Strain | Pseudomonas putida BIRD-1 |
| GI | 386012371 |
| Locus Tag | PPUBIRD1_2831 |
| Description | protein CysS |
| Strain | Pseudomonas poae RE*1-1-14 |
| GI | 447917289 |
| Locus Tag | H045_11480 |
| Description | cysteinyl-tRNA ligase |
| Strain | Pseudomonas aeruginosa 2192 |
| GI | 254240136 |
| Locus Tag | PA2G_00777 |
| Description | cysteinyl-tRNA synthetase |