>sp|P0C5V6|PB1F2_I02A7 Protein PB1-F2 OS=Influenza A virus GN=PB1 MEQGQDTPWTQSTEHTNIQKRGSGQQTQRLEHPNSTRLMDHYLRIMSPVGMHKQIVYWKQ WLSLKNPTQGSLKTRVLKQWKLFNKQEWIN