| D | | e5koeD1 | A: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | T: euk_SelB_III | F: | ECOD (20:10:01) |
| C | | e5koeC1 | A: 4Fe-4S ferredoxin | X: sensor domains | H: sensor domains | T: XG_FTase | F: | ECOD (20:10:01) |
| B | | e5koeB1 | A: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | T: euk_SelB_III | F: | ECOD (20:10:01) |
| A | | e5koeA1 | A: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | T: euk_SelB_III | F: | ECOD (20:10:01) |