>tr|B5SN21|B5SN21_9INFA RNA-directed RNA polymerase catalytic subunit (Fragment) OS=Influenza A virus OX=511839 GN=PB1 PE=3 SV=1 MDVNPTLLFLKVPAQNAISTTFPYTGDPPYSHGTGTGYTMDTVNRTHQYSEKGKWTTNTE TGAPQLNPIDGPLPEDNEPRGYAQTDCVLEAMAFLEESHPGIFENSCLETMEIVQQTRVD KLTQGRQTYDWTLNRNQPAATALANTIEVFRSNGLTANESGRLIDFLKDVMESMDKEEME ITTHFQRKRRVRDNMTKKMVTQRTIGKKKQRLNKRSYLIRALTLNTMTKDAERGKLKRRA IATPGMQIRGFVYFVETLARSICEKLEQSGLPVGGNEKKAKLANVVRKMMTNSQDTELSF TITGDNTKWNENQNPRMFLAMITYITRNQPEWFRNVLSIAPIMFSNKMARLGKGYMFESK SMKLRTQIPAEMLANIDLKYFNESTRKKIEKIRPLLIDGTASLSPGMMMGMFNMLSTVLG VSILNLGQKRYTKTTYWWDGLQSSDDFALIVNAPNHEGIQAGVDRFYRTCKLVGINMSKK KSYINRTGTFEFTSFFYRYGFVANFSMELPSFGVSGINESADMSIGVTVIKNNMINNDLG PATAQMALQLFIKDYRYTYRCHRGDTQIQTRRSFELKKLWEQTRSKAGLLVSDGGPNLYN IRNLHIPEVCLKWELMDEDYQGRLCNPLNPFVSHKEIESVNNAVVMPAHGPAKSMEYDAV ATTHSWIPKRNRSILNTSQRGILEDEQMYQKCCNLFEKFFPSSSYKRPVGISSMVEAMVS RARIDARIDFESGRIKKEEFAEIMKICSTIEELRRQK