>tr|A3DSC9|A3DSC9_9INFA RNA-directed RNA polymerase catalytic subunit OS=Influenza A virus GN=PB1 MDVNPTLLFLKVPAQNAISTTFPYTGDPPYSHGTGTGYTMDTVNRTHQYSERGRWTKNTE TGAPQLNPIDGPLPKDNEPSGYAQTDCVLEAMAFLEESHPGIFENSCIETMEVVQQTRVD KLTQGRQTYDWTLNRNQPAATALANTIEVFRSNGLMANESGRLIDFLKDVMESMDREEVE ITTHFQRKRRVRDNVTKKMVTQRTIGKKKQRLNKRSYLIRALTLNTMTKDAERGKLKRRA IATPGMQIRGFVYFVETLARSICEKLEQSGLPVGGNEKKAKLANVVRKMMTNSQDTEISF TITGDNTKWNENQNPRMFLAMITYITRNQPEWFRNILSIAPIMFSNKMARLGKGYMFESK SMKLRTQIPAEMLANIDLKYFNDSTRKKIEKIRPLLIDGTASLSPGMMMGMFNMLSTVLG VSILNLGQKRYTKTTYWWDGLQSSDDFALIVNAPNYAGIQAGVDRFYRTCKLLGINMSKK KSYINRTGTFEFTSFFYRYGFVANFSMELPSFGVSGINESADMSIGVTVIKNNMINNDLG PATAQMALQLFIKDYRYTYRCHRGDTQIQTRRSFEIKKLWEQTRSKAGLLVSDGGPNLYN IRNLHIPEVCLKWELMDEDYQGRLCNPLNPFVSHKEIESVNNAVMMPAHGPAKNMEYDAV ATTHSWVPKRNRSILNTSQRGILEDEQMYQRCCNLFEKFFPSSSYRRPVGISSMVEAMVS RARIDARIDFESGRIKKEEFTEIMKTCSTIEELRRQK