>sp|Q1WP02-1|PA_I77AB Isoform PA of Polymerase acidic protein OS=Influenza A virus (strain A/USSR/90/1977 H1N1) OX=381516 GN=PA MEDFVRQCFNPMIVELAEKAMKEYGEDLKIETNKFAAICTHLEVCFMYSDFHFINEQGES IIVELDDPNALLKHRFEIIEGRDRTMAWTVVNSICNTTGAEKPKFLPDLYDYKENRFIEI GVTRREVHIYYLEKANKIKSEKTHIHIFSFTGEEMATKADYTLDEESRARIKTRLFTIRQ EMASRGLWDSFRQSERGEETIEERFEITGTMRRLADQSLPPNFSCLENFRAYVDGFEPNG YIEGKLSQMSKEVNARIEPFLKTTPRPIRLPDGPPCSQRSKFLLMDALKLSIEDPSHEGE GIPLYDAIKCMRTFFGWKEPYVVKPHEKGINPNYLLSWKQVLAELQDIENEEKIPRTKNM KKTSQLKWALGENMAPEKVDFDDCKDISDLKQYDSDEPELRSLSSWIQNEFNKACELTDS IWIELDEIGEDVAPIEHIASMRRNYFTAEVSHCRATEYIMKGVYINTALLNASCAAMDDF QLIPMISKCRTKEGRRKTNLYGFIIKGRSHLRNDTDVVNFVSMEFSLTDPRLEPHKWEKY CVLEIGDMLLRSAIGQVSRPMFLYVRTNGTSKIKMKWGMEMRRCLLQSLQQIESMIEAES SVKEKDMTKEFFENKSETWPIGESPKGVEEGSIGKVCRTLLAKSVFNSLYASPQLEGFSA ESRKLLLVVQALRDNLEPGTFDLGGLYEAIEECLINDPWVLLNASWFNSFLTHALR