| A | CID | e4d1kA1 | A: a/b three-layered sandwiches | X: HTH | H: Toll/Interleukin receptor TIR domain | T: Toll/Interleukin receptor TIR domain | F: CID | ECOD (v294.1) |
| B | CID | e4d1kB1 | A: a/b three-layered sandwiches | X: HTH | H: Toll/Interleukin receptor TIR domain | T: Toll/Interleukin receptor TIR domain | F: CID | ECOD (v294.1) |
| C | CID | e4d1kC1 | A: a/b three-layered sandwiches | X: HTH | H: Toll/Interleukin receptor TIR domain | T: Toll/Interleukin receptor TIR domain | F: CID | ECOD (v294.1) |
| D | CID | e4d1kD1 | A: a/b three-layered sandwiches | X: HTH | H: Toll/Interleukin receptor TIR domain | T: Toll/Interleukin receptor TIR domain | F: CID | ECOD (v294.1) |
| E | CID | e4d1kE1 | A: a/b three-layered sandwiches | X: HTH | H: Toll/Interleukin receptor TIR domain | T: Toll/Interleukin receptor TIR domain | F: CID | ECOD (v294.1) |
| F | CID | e4d1kF1 | A: a/b three-layered sandwiches | X: HTH | H: Toll/Interleukin receptor TIR domain | T: Toll/Interleukin receptor TIR domain | F: CID | ECOD (v294.1) |