| Strain | Pseudomonas putida KT2440 |
| GI | 26991910 |
| Locus Tag | PP_5234 |
| Description | nitrogen regulatory protein P-II |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472327964 |
| Locus Tag | H681_24015 |
| Description | nitrogen regulatory protein PII |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83649034 |
| Locus Tag | HCH_06398 |
| Description | nitrogen regulatory protein PII |