>sp|P0CK68-1|PAX_I18A0 Isoform PA-X of Protein PA-X OS=Influenza A virus (strain A/Brevig Mission/1/1918 H1N1) OX=88776 GN=PA MEDFVRQCFNPMIVELAEKAMKEYGEDLKIETNKFAAICTHLEVCFMYSDFHFINERGES IIVESGDPNALLKHRFEIIEGRDRTMAWTVVNSICNTTGAEKPKFLPDLYDYKENRFIEI GVTRREVHIYYLEKANKIKSEKTHIHIFSFTGEEMATKADYTLDEESRARIKTRLFTIRQ EMASRGLWDSFVSPREAKRQLKKDLKSQEQCAGLPTKVSHRTSPALKTLEPMWMDSNRTA TLRASFLKCPKK