| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15600312 |
| Locus Tag | PA5119 |
| Description | glutamine synthetase |
| Strain | Pseudomonas putida HB3267 |
| GI | 431804871 |
| Locus Tag | B479_24710 |
| Description | glutamine synthetase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643908 |
| Locus Tag | HCH_01036 |
| Description | glutamine synthetase, type I |