>tr|C7S083|C7S083_I56A1 Protein PB1-F2 OS=Influenza A virus GN=PB1-F2 MEQEQDTPWTQSTEHINTQKGGSGQQTRKLERPNSTQLMDHYLRTMNQVDMHKQTASWKQ WLSLKDPTQESLKIHVLKRWKLFNKQEWTN