| H | V-set | e4beiH3 | A: a/b three-layered sandwiches | X: Subtilisin-like | H: Subtilisin-like | T: Subtilisin-like | F: V-set | ECOD (v294.1) |
| G | BT_3987-like_N | e4beiG3 | A: a/b three-layered sandwiches | X: Fusion glycoprotein F2 | H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase | T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase | F: BT_3987-like_N | ECOD (v294.1) |
| F | BT_3987-like_N | e4beiF3 | A: a/b three-layered sandwiches | X: Fusion glycoprotein F2 | H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase | T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase | F: BT_3987-like_N | ECOD (v294.1) |
| E | BT_3987-like_N | e4beiE3 | A: a/b three-layered sandwiches | X: Fusion glycoprotein F2 | H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase | T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase | F: BT_3987-like_N | ECOD (v294.1) |
| D | V-set | e4beiD3 | A: a/b three-layered sandwiches | X: Subtilisin-like | H: Subtilisin-like | T: Subtilisin-like | F: V-set | ECOD (v294.1) |
| C | BT_3987-like_N | e4beiC3 | A: a/b three-layered sandwiches | X: Fusion glycoprotein F2 | H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase | T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase | F: BT_3987-like_N | ECOD (v294.1) |
| B | BT_3987-like_N | e4beiB3 | A: a/b three-layered sandwiches | X: Fusion glycoprotein F2 | H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase | T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase | F: BT_3987-like_N | ECOD (v294.1) |
| A | BT_3987-like_N | e4beiA3 | A: a/b three-layered sandwiches | X: Fusion glycoprotein F2 | H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase | T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase | F: BT_3987-like_N | ECOD (v294.1) |