| A | BBE | e4pzfA2 | 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 | e4pzfA1 | 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 | e4pzfC1 | 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 | e4pzfC2 | 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) |
| D | BBE | e4pzfD2 | 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 | e4pzfD1 | 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 | e4pzfB2 | 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 | e4pzfB1 | 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) |