| Strain | Pseudomonas aeruginosa LESB58 |
| GI | 218888900 |
| Locus Tag | PALES_01561 |
| Description | transcriptional regulator PcaR |
| Strain | Pseudomonas resinovorans NBRC 106553 |
| GI | 512618750 |
| Locus Tag | PCA10_30970 |
| Description | IclR family transcriptional regulator PcaR |
| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28871447 |
| Locus Tag | PSPTO_4310 |
| Description | Pca regulon regulatory protein PcaR |