| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15599952 |
| Locus Tag | PA4758 |
| Description | carbamoyl-phosphate synthase small chain |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70734325 |
| Locus Tag | PFL_0830 |
| Description | carbamoyl phosphate synthase small subunit |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644089 |
| Locus Tag | HCH_01227 |
| Description | carbamoyl phosphate synthase small subunit |