>sp|A4GCM8|PB1F2_I35A3 Protein PB1-F2 OS=Influenza A virus GN=PB1 MVQEQDTPWILSTGHINTQKGEDGQQTPKLEHRNSTRLMGHCQKTMNQVVMPKQIVYWKQ WLSLRNPILVSLKTRVLKRWRLFSKHEWTS