| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15597035 |
| Locus Tag | PA1838 |
| Description | sulfite reductase |
| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28869917 |
| Locus Tag | PSPTO_2730 |
| Description | sulfite reductase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645329 |
| Locus Tag | HCH_02538 |
| Description | sulfite reductase subunit beta (hemoprotein) |