| P17846 | n/a | 1aop | K | A | 590 | e1aopA2 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| P17846 | n/a | 2aop | K | A | 590 | e2aopA2 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| P17846 | n/a | 3aop | K | A | 590 | e3aopA2 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| P17846 | n/a | 4aop | K | A | 590 | e4aopA2 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| P17846 | n/a | 4g38 | K | A | 602 | e4g38A6 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| P17846 | n/a | 4g39 | K | A | 603 | e4g39A6 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| P17846 | n/a | 4g39 | K | A | 603 | e4g39A7 | Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | NIR_SIR |
| P17846 | n/a | 4gep | K | A | 590 | e4gepA2 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| P17846 | n/a | 4gep | K | A | 590 | e4gepA4 | Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | NIR_SIR |
| P17846 | n/a | 5aop | K | A | 590 | e5aopA2 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| P17846 | n/a | 5gep | K | A | 590 | e5gepA2 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| P17846 | n/a | 6c3m | K | A | 602 | e6c3mA2 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| P17846 | n/a | 6c3x | K | A | 602 | e6c3xA4 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| P17846 | n/a | 6c3y | K | A | 602 | e6c3yA3 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| P17846 | n/a | 6c3z | K | A | 602 | e6c3zA4 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| P17846 | n/a | 6gep | K | A | 590 | e6gepA2 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| P17846 | n/a | 8gep | K | A | 590 | e8gepA2 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |