| Q59109 | n/a | 3mm5 | SO3 | A | 590 | e3mm5A4 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| Q59109 | n/a | 3mm5 | SO3 | A | 590 | e3mm5A5 | 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 |
| Q59109 | n/a | 3mm5 | SO3 | D | 590 | e3mm5D10 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| Q59109 | n/a | 3mm5 | SO3 | D | 590 | e3mm5D11 | 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 |