>tr|B1MPW0|B1MPW0_9INFA Protein PB1-F2 OS=Influenza A virus GN=PB1-F2 MEQEQDTPWTRSIEHINTQRRGNGQQTPKLEHPNSIQLMDHYPRITSRADMHKQIVCWKQ WLSSKNPTQGSLKTHVLKRWKLFSKQEWTN