>sp|P0C0U1|PB1F2_I34A1 Protein PB1-F2 OS=Influenza A virus (strain A/Puerto Rico/8/1934 H1N1) GN=PB1 PE=1 SV=1 MGQEQDTPWILSTGHISTQKRQDGQQTPKLEHRNSTRLMGHCQKTMNQVVMPKQIVYWKQWLSLRNPILVFLKTRVLKRWRLFSKHE