>tr|A5Z231|A5Z231_9INFA RNA-directed RNA polymerase catalytic subunit OS=Influenza A virus GN=PB1 NPTLLFLKVPVQNAISTTFPYTGDPPYSHGTGTGYTMDTVNRTHQYSEKGKWTKNTETGA PQLNPIDGPLPEDNEPSGYAQTDCVLEAMAFLEESHPGIFENSCLETMEIVQQTRVDKLT QGRQTYDWTLNRNQPAATALANTIEIFRSNGLTANESGRLIDFLKDVMESMDKEEMEITT HFQRKRRVRDNMTKKMVTQRTIGKKKQRLNKKSYLIRALTLNTMTKDAERGKLKRRAIAT PGMQIRGFVYFVETLARSICEKLEQSGLPVGGNEKKAKLANVVRKMMTNSQDTELSFTIT GDNTKWNENQNPRMFLAMITYITRNQPEWFRNVLSIAPIMFSNKMARLGRGYMFESKSMK LRTQIPAEMLANIDLKYFNELTKKKIEKIRPLLIDGTASLSPGMMMGMFNMLSTVLGVSI LNLGQKRYTKTTYWWDGLQSSDDFALIVNAPNHEGIQAGVDRFYRTCKLVGINMSKKKSY INRTGTFEFTSFFYRYGFVANFSMELPSFGVSGINESADMSIGVTVIKNNMINNDLGPAT AQMALQLFIKDYRYTYRCHRGDTQIQTRRSFELKKLWEQTRSKAGLLVSDGGPNLYNIRN LHIPEVCLKWELMDEDYQGRLCNPLNPFVSHKEIESVNNAVVMPAHGPAKSMEYDAVATT HSWIPKRNRSILNTSQRGILEDEQMYQKCCNLFEKFFPSSSYRRPVGISSMVEAMVSRAR IDARIDFESGRIKKEEFAEIMKICSTIEELRRPK