>sp|Q9EA41|RDRP_I77A4 RNA-directed RNA polymerase catalytic subunit OS=Influenza A virus GN=PB1 MDVNPTLLFLKEPAQNAISTTFPYTGDPPYSHGTGTGYTMDTVNRTHQYSEKGKWTTNTE TGAPQLNPIDGPLPEDNEPSGYAQQDCVLEAMAFLEESHPGIFENSCLETMEVVQQTRVD RLTQGRKTYDWTLNRNQPAATALANTIEVFRSNGLTANESGRLIDFLKDVMESMDKEEME ITTHFQRKRRVRDNMTKKMVTQRTIGKKKQRVNKRSYLIRALTLNTMTKDAERGKLKRRA IATPGMQIRGFVYFVETLARSICEKLEQSGLPVGGNEKKAKLANVVRKMMTNSQDTELSF TITGDNTKWNENQNPRMFLAMITYITKNQPEWFRNILSIAPIMFSNKMARLGKGYMFESK RMKLRTQIPAEMLASIDLKYFNESTRKKIEKIRPLLIDGTASLSPGMMMGMFNMLSTVLG VSILNLGQKKYTKTTYWWDGLQSSDDFALIVNAPNHEGIQAGVDRFYRTCKLVGINMSKK KSYINRTGTFEFTSFFYRYGFVANFSMELPSFGVSGINESADMSIGVTVIKNNMINNDLG PATAQMALQLFIKDYRYTYRCHRGHTQIQTRRSFELKKLWEQTRSKAGLFVSDGGPNLYN IRNLHIPEVCLKWELMDEDYQGRLCNPLNPFVSHKEIESVNNAVVMPAHGPAKSMEYDAV ATTHSWIPKRNRSILNTSQRGILEDEQMYQKCCNLFEKFFPSSSYRRPVGISSMVEAMVS RARIDARIDFESGRIKKEEFSEIMKICSTIEELRRQK