| B | FRB_dom | e3aibB1 | A: alpha arrays | X: MocoBD/DmpA-related | H: MocoBD/DmpA-related | T: Retrovirus capsid protein-C | F: FRB_dom | ECOD (v295.2) |
| C | ANAPC4 | e3aibC1 | A: alpha arrays | 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: ANAPC4 | ECOD (v295.2) |
| D | ANAPC4 | e3aibD1 | A: alpha arrays | 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: ANAPC4 | ECOD (v295.2) |
| E [auth G] | FRB_dom | e3aibG1 | A: alpha arrays | X: MocoBD/DmpA-related | H: MocoBD/DmpA-related | T: Retrovirus capsid protein-C | F: FRB_dom | ECOD (v295.2) |
| F [auth E] | ANAPC4 | e3aibE1 | A: alpha arrays | 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: ANAPC4 | ECOD (v295.2) |
| G [auth F] | ANAPC4 | e3aibF1 | A: alpha arrays | 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: ANAPC4 | ECOD (v295.2) |
| H | RNase_HII | e3aibH1 | A: alpha arrays | X: Alpha helical domain of ribonucleotide reductases | H: Alpha helical domain of ribonucleotide reductases | T: Alpha helical domain of ribonucleotide reductases | F: RNase_HII | ECOD (v295.2) |
| A | FRB_dom | e3aibA1 | A: alpha arrays | X: MocoBD/DmpA-related | H: MocoBD/DmpA-related | T: Retrovirus capsid protein-C | F: FRB_dom | ECOD (v295.2) |