| H | Hemagglutinin | e4ktrH1 | A: alpha bundles | X: Outer membrane meander beta-barrels | H: Porins | T: Porin | F: Hemagglutinin | ECOD (develop294) |
| H | RNA_pol_Rpb2_6 | e4ktrH2 | A: alpha bundles | X: Four-helical up-and-down bundle | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylate synthase/dCMP hydroxymethylase | F: RNA_pol_Rpb2_6 | ECOD (develop294) |
| G | Hemagglutinin | e4ktrG1 | A: alpha bundles | X: Outer membrane meander beta-barrels | H: Porins | T: Porin | F: Hemagglutinin | ECOD (develop294) |
| G | RNA_pol_Rpb2_6 | e4ktrG2 | A: alpha bundles | X: Four-helical up-and-down bundle | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylate synthase/dCMP hydroxymethylase | F: RNA_pol_Rpb2_6 | ECOD (develop294) |
| F | Hemagglutinin | e4ktrF1 | A: alpha bundles | X: Outer membrane meander beta-barrels | H: Porins | T: Porin | F: Hemagglutinin | ECOD (develop294) |
| F | RNA_pol_Rpb2_6 | e4ktrF2 | A: alpha bundles | X: Four-helical up-and-down bundle | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylate synthase/dCMP hydroxymethylase | F: RNA_pol_Rpb2_6 | ECOD (develop294) |
| E | Hemagglutinin | e4ktrE1 | A: alpha bundles | X: Outer membrane meander beta-barrels | H: Porins | T: Porin | F: Hemagglutinin | ECOD (develop294) |
| E | RNA_pol_Rpb2_6 | e4ktrE2 | A: alpha bundles | X: Four-helical up-and-down bundle | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylate synthase/dCMP hydroxymethylase | F: RNA_pol_Rpb2_6 | ECOD (develop294) |
| D | Hemagglutinin | e4ktrD1 | A: alpha bundles | X: Outer membrane meander beta-barrels | H: Porins | T: Porin | F: Hemagglutinin | ECOD (develop294) |
| D | RNA_pol_Rpb2_6 | e4ktrD2 | A: alpha bundles | X: Four-helical up-and-down bundle | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylate synthase/dCMP hydroxymethylase | F: RNA_pol_Rpb2_6 | ECOD (develop294) |
| C | Hemagglutinin | e4ktrC1 | A: alpha bundles | X: Outer membrane meander beta-barrels | H: Porins | T: Porin | F: Hemagglutinin | ECOD (develop294) |
| C | RNA_pol_Rpb2_6 | e4ktrC2 | A: alpha bundles | X: Four-helical up-and-down bundle | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylate synthase/dCMP hydroxymethylase | F: RNA_pol_Rpb2_6 | ECOD (develop294) |
| B | Hemagglutinin | e4ktrB1 | A: alpha bundles | X: Outer membrane meander beta-barrels | H: Porins | T: Porin | F: Hemagglutinin | ECOD (develop294) |
| B | RNA_pol_Rpb2_6 | e4ktrB2 | A: alpha bundles | X: Four-helical up-and-down bundle | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylate synthase/dCMP hydroxymethylase | F: RNA_pol_Rpb2_6 | ECOD (develop294) |
| A | Hemagglutinin | e4ktrA1 | A: alpha bundles | X: Outer membrane meander beta-barrels | H: Porins | T: Porin | F: Hemagglutinin | ECOD (develop294) |
| A | RNA_pol_Rpb2_6 | e4ktrA2 | A: alpha bundles | X: Four-helical up-and-down bundle | H: Thymidylate synthase/dCMP hydroxymethylase | T: Thymidylate synthase/dCMP hydroxymethylase | F: RNA_pol_Rpb2_6 | ECOD (develop294) |