>4NFZ_1|Chains A, B, C|Polymerase PA|Influenza A virus (1129347) MENFVRTNFNPMILERAEKTMKEYGENPQNEGNKFAAISTHMEVCFMYSDFHFIDLEGNTIVKENDDDNAMLKHRFEIIEGQERNIAWTIVNSICNMTENSKPRFLPDLYDYKTNKFIEIGVTRRKVEDYYYEKASKLKGENVYIHIFSFDGEEMATDDEYILDEESRARIKTRLFVLRQELATAGLWDSFRQSEKGEETLEEEFSLEHHHHHH