| A | FAD_binding_4 | e3lphA1 | A: a/b three-layered sandwiches | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: FAD_binding_4 | ECOD (v294.1) |
| D | FAD_binding_4 | e3lphD1 | A: a/b three-layered sandwiches | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: FAD_binding_4 | ECOD (v294.1) |
| C | FAD_binding_4 | e3lphC1 | A: a/b three-layered sandwiches | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: FAD_binding_4 | ECOD (v294.1) |
| B | FAD_binding_4 | e3lphB1 | A: a/b three-layered sandwiches | X: Lipocalins/Streptavidin | H: Zn-dependent exopeptidases | T: Zn-dependent exopeptidases | F: FAD_binding_4 | ECOD (v294.1) |