>tr|Q0PLR1|Q0PLR1_INBLE Matrix protein 1 OS=Influenza B virus GN=M1 MSLFGDTIAYLLSLIEDGEGKAELAEKLHCWFGGKEFDLDSALEWIKNKRCLTDIQKALI GASICFLKPKDQERKRRFITEPLSGMGTTATKKKGLILAERKMRRCVSFHEAFEIAEGHE SSALLYCLMVMYLNPENYSMQVKLGTLCALCEKQASHSHRAHSRAARSSVPGVRREMQMV SAMNTAKTMNGMGKGEDVQRLAEELQNNIGVLRSLGASQKNGEGIAKDVMEVLKQSSMGN SALVRKYL