| Strain | Pseudomonas aeruginosa NCGM2.S1 |
| GI | 386063132 |
| Locus Tag | NCGM2_0159 |
| Description | transcriptional regulator |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472325381 |
| Locus Tag | H681_11085 |
| Description | pca operon transcription factor PcaQ |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70732702 |
| Locus Tag | PFL_5397 |
| Description | pca operon transcription factor PcaQ |