>sp|P0C5V3|PB1F2_I02A4 Protein PB1-F2 OS=Influenza A virus GN=PB1 MEQEQDTPWTRSIEHINTQRRGNGQQTQKLEHPNSIQLMDHYPRITSRADMHKQIVCWKQ WLSLKNPTQGSLKTHVLKRWKLFSKQEWTN