| H | HTH_3 | e5eftH1 | A: beta barrels | 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: HTH_3 | ECOD (v294.2) |
| F | HTH_3 | e5eftF1 | A: beta barrels | 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: HTH_3 | ECOD (v294.2) |
| D | HTH_3 | e5eftD1 | A: beta barrels | 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: HTH_3 | ECOD (v294.2) |
| B | HTH_3 | e5eftB1 | A: beta barrels | 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: HTH_3 | ECOD (v294.2) |