| D | FlaF_Ig-like | e4ynaD1 | A: alpha bundles | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: FlaF_Ig-like | ECOD (develop294) |
| C | FlaF_Ig-like | e4ynaC1 | A: alpha bundles | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: FlaF_Ig-like | ECOD (develop294) |
| B | FlaF_Ig-like | e4ynaB1 | A: alpha bundles | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: FlaF_Ig-like | ECOD (develop294) |
| A | FlaF_Ig-like | e4ynaA1 | A: alpha bundles | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: FlaF_Ig-like | ECOD (develop294) |