| B | Hexapep | e3n81B1 | A: a/b three-layered sandwiches | X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | F: Hexapep | ECOD (v294.1) |
| H | Hexapep | e3n81H1 | A: a/b three-layered sandwiches | X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | F: Hexapep | ECOD (v294.1) |
| G | Hexapep | e3n81G1 | A: a/b three-layered sandwiches | X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | F: Hexapep | ECOD (v294.1) |
| F | Hexapep | e3n81F1 | A: a/b three-layered sandwiches | X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | F: Hexapep | ECOD (v294.1) |
| E | Hexapep | e3n81E1 | A: a/b three-layered sandwiches | X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | F: Hexapep | ECOD (v294.1) |
| D | Hexapep | e3n81D1 | A: a/b three-layered sandwiches | X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | F: Hexapep | ECOD (v294.1) |
| C | Hexapep | e3n81C1 | A: a/b three-layered sandwiches | X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | F: Hexapep | ECOD (v294.1) |
| A | Hexapep | e3n81A1 | A: a/b three-layered sandwiches | X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4 | F: Hexapep | ECOD (v294.1) |