>tr|B7NWJ5|B7NWJ5_9INFA RNA-directed RNA polymerase catalytic subunit (Fragment) OS=Influenza A virus OX=573957 GN=PB1 PE=4 SV=1 PVQNAISTTFPYTGDPPYSHGTGTGYTMDTVNRTHQYSEKGKWTTNTETGAPQLNPIDGP LPEDNEPSGYAQTDCVLEAMAFLEESHPGIFENSCLETMEIVQQTRVDKLTQGRQTYDWT LNRNQPAATALANTIEVFRSNGLTANESGRLIDFLKDVIESMDKEEMEITTHFQRKRRVR DNMTKKMVTQRTIGKKKQRLNKRSYLIRALTLNTMTKDAERGKLKRRAIATPGMQIRGFV YFVETLARSICEKLEQSGLPVGGNEKKAKLANVVRKMMTNSQDTELSFTITGDNTKWNEN QNPRMFLAMITYITRNQPEWFRNVLSIAPIMFSNKMARLGKGYMFESKSMKLRTQIPAEM LANIDLKYFNELTKKKIEKIRPLLIDGTASLSPGMMMGMFNMLSTVLGVSILNLGQKRYT KTTYWWDGLQSSDDFALIVNAPNHEGIQAGVDRFYRTCKLVGINMSKKKSYINRTGTFEF TSFFYRYGFVANFSMELPSFGVSGINESADMSIGVTVIKNNMINNDLGPATAQMALQLFI KDYRYTYRCHRGDTQIQTRRSFELKKLWEQTRSKAGLLVSDGGPNLYNIRNLHIPEVCLK WELMDEDYQGRLCNPLNPFVSHKEIESVNNAIVMPAHGPAKSMEYDAVATTHSWIPKRNR SILNTSQRGILEDEQMYQKCCNLFEKFFPSSSYRRPVGISSMVES