| Strain | Pseudomonas syringae pv. tomato str. DC3000 | 
| GI | 28869028 | 
| Locus Tag | PSPTO_1823 | 
| Description | phenylalanine hydroxylase transcriptional activator PhhR | 
| Strain | Pseudomonas protegens CHA0 | 
| GI | 501679115 | 
| Locus Tag | PFLCHA0_c16490 | 
| Description | transcriptional regulatory protein TyrR | 
| Strain | Pseudomonas stutzeri CCUG 29243 | 
| GI | 392419800 | 
| Locus Tag | A458_03645 | 
| Description | transcriptional regulator PhhR |