>sp|P0C5V2|PB1F2_I02A3 Protein PB1-F2 OS=Influenza A virus GN=PB1 MEQEQDTPWTRSIEHINTQRRGNGQQTPKLEHPNSIQLMDHYPRITSRADMHKQIVCWKQ WLSSKNPTQGSLKTHVLKRWKLFSKQEWTN