| P45574 | n/a | 2v4j | SO3 | B | 504 | e2v4jA7 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| P45574 | n/a | 2v4j | SO3 | B | 504 | e2v4jA8 | 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 |
| P45574 | n/a | 2v4j | SO3 | E | 504 | e2v4jD7 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| P45574 | n/a | 2v4j | SO3 | E | 504 | e2v4jD8 | 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 |