| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15600312 |
| Locus Tag | PA5119 |
| Description | glutamine synthetase |
| Strain | Pseudomonas stutzeri ATCC 17588 = LMG 11199 |
| GI | 339492461 |
| Locus Tag | PSTAB_0384 |
| Description | glutamine synthetase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643908 |
| Locus Tag | HCH_01036 |
| Description | glutamine synthetase, type I |