| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15597720 |
| Locus Tag | PA2524 |
| Description | CzcS |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472325533 |
| Locus Tag | H681_11845 |
| Description | heavy metal sensor signal transduction histidine kinase |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70730513 |
| Locus Tag | PFL_3148 |
| Description | heavy metal sensor histidine kinase |