| D | | e4cbmD3 | A: a/b three-layered sandwiches | X: Transmembrane heme-binding four-helical bundle | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: | ECOD (v294.1) |
| D | | e4cbmD1 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: ARM repeat | T: ARM repeat | F: | ECOD (v294.1) |
| C | | e4cbmC3 | A: a/b three-layered sandwiches | X: Transmembrane heme-binding four-helical bundle | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: | ECOD (v294.1) |
| C | Spectrin | e4cbmC1 | A: a/b three-layered sandwiches | X: Spectrin repeat-like | H: Spectrin repeat | T: Spectrin repeat | F: Spectrin | ECOD (v294.1) |
| B | | e4cbmB3 | A: a/b three-layered sandwiches | X: Transmembrane heme-binding four-helical bundle | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: | ECOD (v294.1) |
| B | | e4cbmB2 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: ARM repeat | T: ARM repeat | F: | ECOD (v294.1) |
| A | | e4cbmA3 | A: a/b three-layered sandwiches | X: Transmembrane heme-binding four-helical bundle | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: | ECOD (v294.1) |
| A | | e4cbmA2 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: ARM repeat | T: ARM repeat | F: | ECOD (v294.1) |