| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77461534 |
| Locus Tag | Pfl01_5313 |
| Description | bifunctional pyrimidine regulatory protein PyrR uracil phosphoribosyltransferase |
| Strain | Pseudomonas aeruginosa C3719 |
| GI | 254237362 |
| Locus Tag | PACG_03436 |
| Description | transcriptional regulator PyrR |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643446 |
| Locus Tag | HCH_00552 |
| Description | pyrimidine operon attenuation protein/uracil phosphoribosyltransferase |