>tr|C7S1W9|C7S1W9_9INFA Protein PB1-F2 OS=Influenza A virus GN=PB1-F2 MGQEQDTPWILSTGHISTQKGEDGQQTPKLEHRNSTRLMGHCQKTMNQVVMPKQIVYWKQ WPSLRNPILVSLKTRVLKRWRLFSKHEWTS