| E | Glyco_hydro_18 | e4a5qE2 | A: a/b three-layered sandwiches | X: DEATH domain | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Glyco_hydro_18 | ECOD (v294.1) |
| D | Glyco_hydro_18 | e4a5qD2 | A: a/b three-layered sandwiches | X: DEATH domain | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Glyco_hydro_18 | ECOD (v294.1) |
| C | Semialdhyde_dhC | e4a5qC1 | A: a/b three-layered sandwiches | X: Lipocalins/Streptavidin | H: Fibronectin type I module-like | T: Fibronectin type I module | F: Semialdhyde_dhC | ECOD (v294.1) |
| B | SIR2 | e4a5qB1 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Glycosyl hydrolase domain | T: Glycosyl hydrolase domain | F: SIR2 | ECOD (v294.1) |
| B | N6_Mtase | e4a5qB2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: S-adenosyl-L-methionine-dependent methyltransferases | F: N6_Mtase | ECOD (v294.1) |
| A | Glyco_hydro_18 | e4a5qA2 | A: a/b three-layered sandwiches | X: DEATH domain | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Glyco_hydro_18 | ECOD (v294.1) |