>sp|Q1WP01|RDRP_I77AB RNA-directed RNA polymerase catalytic subunit OS=Influenza A virus (strain A/USSR/90/1977 H1N1) OX=381516 GN=PB1 PE=3 SV=1 MDVNPTLLFLKVPAQNAISTTFPYTGDPPYSHGTGTGYTMDTVNRTHQYSERGRWTKNTE TGAPQLNPIDGPLPKDNEPSGYAQTDCVLEAMAFLEESHPGIFENSCIETMEVVQQTRVD KLTQGRQTYDWTLNRNQPAATALANTIEVFRSNGLMANESGRLIDFLKDVMESMDREEVE ITTHFQRKRRVRDNVTKKMVTQRTIGKKKQRLNKRSYLIRALTLNTMTKDAERGKLKRRA IATPGMQIRGFVYFVETLARSICEKLEQSGLPVGGNEKKAKLANVVRKMMTNSQDTEISF TITGDNTKWNENQNPRMFLAMITYITRNQPEWFRNILSIAPIMFSNKMARLGKGYMFESK SMKLRTQIPAEMLANIDLKYFNDSTRKKIEKIRPLLIDGTASLSPGMMMGMFNMLSTVLG VSILNLGQKRYTKTTYWWDGLQSSDDFALIVNAPNHAGIQAGVDRFYRTCKLLGINMSKK KSYINRTGTFEFTSFFYRYGFVANFSMELPSFGVSGINESADMSIGVTVIKNNMINNDLG PATAQMALQLFIKDYRYTYRCHRGDTQIQTRRSFEIKKLWEQTRSKAGLLVSDGGPNLYN IRNLHIPEVCLKWELMDEDYQGRLCNPLNPFVSHKEIESVNNAVMMPAHGPAKNMEYDAV ATTHSWVPKRNRSILNTSQRGILEDEQMYQRCCNLFEKFFPSSSYRRPVGISSMVEAMVS RARIDARIDFESGRIKKEEFTEIMKTCSTIEELRRQK