>sp|A4GCI3|RDRP_I83A1 RNA-directed RNA polymerase catalytic subunit OS=Influenza A virus GN=PB1 MDVNPTLLFLKVPAQNAISTTFPYTGDPPYSHGTGTGYTMDTVNRTHQYSERGRWTKNTE TGAPQLNPIDGPLPKDNEPSGYAQTDCVLEAMAFLEESHPGIFENSCIETMEVVQQTRVD KLTQGRQTYDWTLNRNQPAATALANTIEVFRSNGLMANESGRLIDFLKDVMDSMDREEME ITTHFQRKRRVRDNVTKKMVTQRTIGKKKHRLNKRSYLIRALTLNTMTKDAERGKLKRRA IATPGMQIRGFVYFVETLARSICEKLEQSGLPVGGNEKKAKLANVVRKMMTNSQDTEISF TITGDNTKWNENQNPRMFLAMITYITRNQPEWFRNILSIAPIMFSNKMARLGKGYMFESK SMKLRTQIPAEMLANIDLRYFNDSTRKKIEKIRPLLIDGTASLSPGMMMGMFNMLSTVLG VSILNLGQKRYTKTTYWWDGLQSSDDFALIVNAPNYAGIQAGVDRFYRTCKLLGINMSKK KSYINRTGTFEFTSFFYRYGFVANFSMELPSFGVSGINESADMSIGVTVIKNNMINNDLG PATAQMALQLFIKDYRYTYRCHRGDTQIQTRRSFEIKKLWDQTRSKTGLLVSDGGPNLYN IRNLHIPEVCLKWDLMDEDYQGRLCNPLNPFVSHKEIESVNNAVMMPAHGPAKIMEYDAV ATTHSWVPKRNRSILNTSQRGILEDEQMYQRCCNLFEKFFPSSSYRRPVGISSMVEAMIS RARIDARIDFESGRIKKEEFTEIMKTCSTIEELRRQK