>tr|A7R9M8|A7R9M8_9INFA RNA-directed RNA polymerase catalytic subunit OS=Influenza A virus GN=PB1 MDVNPTLLFLKVPAQNAISTTFPYTGDPPYSHGTGTGYTMDTVNRTHQYSERGKWTTNTE TGAPQLNPIDGPLPEDNEPTGYAQTDCVLEAMAFLEKSHPGIFENSCLETMEVVQQTRVD KLTQGRQTFDWTLNRNQPAATALANTIEVFRLNGLTASESGRLIDFLKDVMESMDKEEME IVTHFQRKRRVRDNMTKKMVTQRTIGKKKQKLNKRSYIIRALTLNTMTKDAERGKLKRRA IATPGMQIRGFVYFVETLARSICEKLEQSGLPVGGNEKKAKLANVVRKMMTNSQDTELSF TITGDNTKWNENQNPRMFLAMITYITRNQPEWFRNVLSIAPIMFSNKMARLGKGYMFESK NMKLRTQIPAEMLSGIDLRYFNDSTRKKIEKIRPLLIDGAASLSPGMMMGMFNMLSTVLG VSILNLGQKEYTKTAYWWDGLQSSDDFALIVNALNHEGIQAGVDRFYRTCKLLGINMSKK KSYINRTGTFEFTSFFYRYGFVANFSMELPSFGVSGINESADMSIGVTVIKNNMINNDLG PATAQMALQLFIKDYRYTYRCHRGDTQIQTRRSFEIKKLWDQTHSKAGLLVSDGGPNLYN IRNLHIPEVCLKWELMDKDYQGRLCNPLNPFVSHKEIESVNNAVVMPSHGPAKTMEYDAV ATTHSWVPKRNRSILNTSQRGILEDEQMYQKCCNLFEKFFPSSSYRRPVGISSMVEAMVS RARIDARIDFESGRIKKEDFAEIMKICSTIEDLRRQK