| F | Hemagglutinin_1st | e4wsrF2   | A: beta sandwiches | X: jelly-roll | H: Viral protein domain (From Topology) | T: Viral protein domain | F: Hemagglutinin_1st | ECOD (1.6) | 
 | F | Hemagglutinin_2nd | e4wsrF1   | A: alpha bundles | X: Hemagglutinin HA2 chain (From Topology) | H: Hemagglutinin HA2 chain (From Topology) | T: Hemagglutinin HA2 chain | F: Hemagglutinin_2nd | ECOD (1.6) | 
 | E [auth D] | Hemagglutinin_1st | e4wsrD2   | A: beta sandwiches | X: jelly-roll | H: Viral protein domain (From Topology) | T: Viral protein domain | F: Hemagglutinin_1st | ECOD (1.6) | 
 | E [auth D] | Hemagglutinin_2nd | e4wsrD1   | A: alpha bundles | X: Hemagglutinin HA2 chain (From Topology) | H: Hemagglutinin HA2 chain (From Topology) | T: Hemagglutinin HA2 chain | F: Hemagglutinin_2nd | ECOD (1.6) | 
 | D [auth E] | Hemagglutinin_1st | e4wsrE1   | A: beta sandwiches | X: jelly-roll | H: Viral protein domain (From Topology) | T: Viral protein domain | F: Hemagglutinin_1st | ECOD (1.6) | 
 | D [auth E] | Hemagglutinin_2nd | e4wsrE2   | A: alpha bundles | X: Hemagglutinin HA2 chain (From Topology) | H: Hemagglutinin HA2 chain (From Topology) | T: Hemagglutinin HA2 chain | F: Hemagglutinin_2nd | ECOD (1.6) | 
 | C | Hemagglutinin_1st | e4wsrC2   | A: beta sandwiches | X: jelly-roll | H: Viral protein domain (From Topology) | T: Viral protein domain | F: Hemagglutinin_1st | ECOD (1.6) | 
 | C | Hemagglutinin_2nd | e4wsrC1   | A: alpha bundles | X: Hemagglutinin HA2 chain (From Topology) | H: Hemagglutinin HA2 chain (From Topology) | T: Hemagglutinin HA2 chain | F: Hemagglutinin_2nd | ECOD (1.6) | 
 | B | Hemagglutinin_1st | e4wsrB2   | A: beta sandwiches | X: jelly-roll | H: Viral protein domain (From Topology) | T: Viral protein domain | F: Hemagglutinin_1st | ECOD (1.6) | 
 | B | Hemagglutinin_2nd | e4wsrB1   | A: alpha bundles | X: Hemagglutinin HA2 chain (From Topology) | H: Hemagglutinin HA2 chain (From Topology) | T: Hemagglutinin HA2 chain | F: Hemagglutinin_2nd | ECOD (1.6) | 
 | A | Hemagglutinin_1st | e4wsrA1   | A: beta sandwiches | X: jelly-roll | H: Viral protein domain (From Topology) | T: Viral protein domain | F: Hemagglutinin_1st | ECOD (1.6) | 
 | A | Hemagglutinin_2nd | e4wsrA2   | A: alpha bundles | X: Hemagglutinin HA2 chain (From Topology) | H: Hemagglutinin HA2 chain (From Topology) | T: Hemagglutinin HA2 chain | F: Hemagglutinin_2nd | ECOD (1.6) |