>sp|P36348-1|M2_I02A0 Isoform M2 of Matrix protein 2 OS=Influenza A virus (strain A/Chicken/Brescia/1902 H7N7) OX=36418 GN=M MSLLTEVETPTRNGWECRCSDSSDPLVIAASIIGILHLILWILDRLFFKCIYRRLKYGLK RGPSTEGVPESMREEYRQEQQNAVDVDDGHFVNIELE