| Q93UT1 | DB02832 | 2xsj | SRM | A | 503 | e2xsjA8 | 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 |
| Q93UT1 | DB02832 | 2xsj | SRM | A | 503 | e2xsjA9 | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | n/a |
| Q93UT1 | DB02832 | 2xsj | SRM | B | 503 | e2xsjA1 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| Q93UT1 | DB02832 | 2xsj | SRM | B | 503 | e2xsjA8 | 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 |
| Q93UT1 | DB02832 | 2xsj | SRM | D | 503 | e2xsjD1 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| Q93UT1 | DB02832 | 2xsj | SRM | D | 503 | e2xsjD8 | 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 |
| Q93UT1 | DB02832 | 2xsj | SRM | D | 503 | e2xsjD9 | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | 4Fe-4S ferredoxin | n/a |
| Q93UT1 | DB02832 | 2xsj | SRM | E | 503 | e2xsjD1 | Alpha-beta plaits | Sulfite reductase, domains 1 and 3 | Sulfite reductase, domains 1 and 3 | NIR_SIR_ferr |
| Q93UT1 | DB02832 | 2xsj | SRM | E | 503 | e2xsjD8 | 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 |