| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116054134 |
| Locus Tag | PA14_05270 |
| Description | bifunctional pyrimidine regulatory protein PyrR/uracil phosphoribosyltransferase |
| Strain | Pseudomonas putida NBRC 14164 |
| GI | 512688121 |
| Locus Tag | PP4_50640 |
| Description | transcriptional regulator PyrR |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643446 |
| Locus Tag | HCH_00552 |
| Description | pyrimidine operon attenuation protein/uracil phosphoribosyltransferase |