| D | BBE | e6fp3D1 | A: a+b two layers | X: Alpha-beta plaits | H: FAD-linked oxidases, C-terminal domain (From Topology) | T: FAD-linked oxidases, C-terminal domain | F: BBE | ECOD (1.6) |
| D | FAD_binding_4 | e6fp3D2 | A: a+b complex topology | X: FAD-binding domain-like | H: FAD-binding domain (From Topology) | T: FAD-binding domain | F: FAD_binding_4 | ECOD (1.6) |
| C | BBE | e6fp3C1 | A: a+b two layers | X: Alpha-beta plaits | H: FAD-linked oxidases, C-terminal domain (From Topology) | T: FAD-linked oxidases, C-terminal domain | F: BBE | ECOD (1.6) |
| C | FAD_binding_4 | e6fp3C2 | A: a+b complex topology | X: FAD-binding domain-like | H: FAD-binding domain (From Topology) | T: FAD-binding domain | F: FAD_binding_4 | ECOD (1.6) |
| B | BBE | e6fp3B1 | A: a+b two layers | X: Alpha-beta plaits | H: FAD-linked oxidases, C-terminal domain (From Topology) | T: FAD-linked oxidases, C-terminal domain | F: BBE | ECOD (1.6) |
| B | FAD_binding_4 | e6fp3B2 | A: a+b complex topology | X: FAD-binding domain-like | H: FAD-binding domain (From Topology) | T: FAD-binding domain | F: FAD_binding_4 | ECOD (1.6) |
| A | BBE | e6fp3A1 | A: a+b two layers | X: Alpha-beta plaits | H: FAD-linked oxidases, C-terminal domain (From Topology) | T: FAD-linked oxidases, C-terminal domain | F: BBE | ECOD (1.6) |
| A | FAD_binding_4 | e6fp3A2 | A: a+b complex topology | X: FAD-binding domain-like | H: FAD-binding domain (From Topology) | T: FAD-binding domain | F: FAD_binding_4 | ECOD (1.6) |