| F [auth FFF] | Flu_PB2_2nd,Flu_PB2_3rd | e6tu5FFF1 | A: a+b two layers | X: a+b domain in PB2 (From Topology) | H: a+b domain in PB2 (From Topology) | T: a+b domain in PB2 | F: Flu_PB2_2nd,Flu_PB2_3rd | ECOD (1.6) |
| F [auth FFF] | Flu_PB2_1st | e6tu5FFF2 | A: extended segments | X: RNA polymerase PB2 N-terminal fragment (From Topology) | H: RNA polymerase PB2 N-terminal fragment (From Topology) | T: RNA polymerase PB2 N-terminal fragment | F: Flu_PB2_1st | ECOD (1.6) |
| C [auth CCC] | Flu_PB2_2nd,Flu_PB2_3rd | e6tu5CCC1 | A: a+b two layers | X: a+b domain in PB2 (From Topology) | H: a+b domain in PB2 (From Topology) | T: a+b domain in PB2 | F: Flu_PB2_2nd,Flu_PB2_3rd | ECOD (1.6) |
| C [auth CCC] | Flu_PB2_1st | e6tu5CCC2 | A: extended segments | X: RNA polymerase PB2 N-terminal fragment (From Topology) | H: RNA polymerase PB2 N-terminal fragment (From Topology) | T: RNA polymerase PB2 N-terminal fragment | F: Flu_PB2_1st | ECOD (1.6) |
| E [auth EEE] | Flu_PB1_2nd | e6tu5EEE1 | A: alpha bundles | X: helical bundle domain in reverse transcriptase-like polymerases (From Topology) | H: helical bundle domain in reverse transcriptase-like polymerases (From Topology) | T: helical bundle domain in reverse transcriptase-like polymerases | F: Flu_PB1_2nd | ECOD (1.6) |
| E [auth EEE] | Flu_PB1_1st | e6tu5EEE3 | A: a+b two layers | X: Alpha-beta plaits | H: Adenylyl and guanylyl cyclase catalytic domain-like | T: Adenylyl and guanylyl cyclase catalytic domain-like | F: Flu_PB1_1st | ECOD (1.6) |
| E [auth EEE] | Flu_PB1_3rd | e6tu5EEE2 | A: extended segments | X: RNA polymerase PB1 C-terminal fragment (From Topology) | H: RNA polymerase PB1 C-terminal fragment (From Topology) | T: RNA polymerase PB1 C-terminal fragment | F: Flu_PB1_3rd | ECOD (1.6) |
| B [auth BBB] | Flu_PB1_2nd | e6tu5BBB1 | A: alpha bundles | X: helical bundle domain in reverse transcriptase-like polymerases (From Topology) | H: helical bundle domain in reverse transcriptase-like polymerases (From Topology) | T: helical bundle domain in reverse transcriptase-like polymerases | F: Flu_PB1_2nd | ECOD (1.6) |
| B [auth BBB] | Flu_PB1_1st | e6tu5BBB3 | A: a+b two layers | X: Alpha-beta plaits | H: Adenylyl and guanylyl cyclase catalytic domain-like | T: Adenylyl and guanylyl cyclase catalytic domain-like | F: Flu_PB1_1st | ECOD (1.6) |
| B [auth BBB] | Flu_PB1_3rd | e6tu5BBB2 | A: extended segments | X: RNA polymerase PB1 C-terminal fragment (From Topology) | H: RNA polymerase PB1 C-terminal fragment (From Topology) | T: RNA polymerase PB1 C-terminal fragment | F: Flu_PB1_3rd | ECOD (1.6) |