>sp|P0C5V0|PB1F2_I02A1 Protein PB1-F2 OS=Influenza A virus GN=PB1 MEQEQDTPWTRSIEHINTQRRGNGQQTPKLEHPNSIQLMDHYPRITSRADMHKQIVCWKQ WLSSKNPTQGSLKTHVLKRWKLFSKQEWTN