| A | Epimerase | e6lcnA1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Epimerase | ECOD (v294.1) |
| B | Transferase | e6lcnB1 | A: a/b three-layered sandwiches | X: CNF1/YfiH-like putative cysteine hydrolases | H: RIFT-related | T: FMN-binding split barrel 2 | F: Transferase | ECOD (v294.1) |
| C | Epimerase | e6lcnC1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Epimerase | ECOD (v294.1) |
| D | Epimerase | e6lcnD1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Epimerase | ECOD (v294.1) |
| E | Epimerase | e6lcnE1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Epimerase | ECOD (v294.1) |
| F | Transferase | e6lcnF2 | A: a/b three-layered sandwiches | X: CNF1/YfiH-like putative cysteine hydrolases | H: RIFT-related | T: FMN-binding split barrel 2 | F: Transferase | ECOD (v294.1) |