>tr|K7YXX1|K7YXX1_9INFA Matrix protein 2 OS=Influenza A virus OX=1261960 GN=M2 PE=3 SV=1 MSLLTEVETPTRSGWECKCSDSSDPLIFAASIIGILHLILWILDRLFFKYIYRRLKYGLK RGPSTEGVPKSMREEYQQEQQSAVDVDDGHFVNIELE