>sp|P0C5U7|PB1F2_I01A1 Protein PB1-F2 OS=Influenza A virus GN=PB1 MEQGQDTPWTQSTEHTNIQKRGSGQQTQRLEHPNSTRLMDHYLRIMSPVGMHKQIVYWKQ WLSLKNPTQGSLKTRVLKRWKLFNKQEWIN