>sp|Q07FI4-1|M2_I96A3 Isoform M2 of Matrix protein 2 OS=Influenza A virus (strain A/China:Nanchang/11/1996 H1N1) OX=394786 GN=M MSLLTEVETPIRNEWGCRCNDSSDPLVVAASIIGIVHLILWIIDRLFSKSIYRIFKHGLK RGPSTEGVPESMREEYREEQQNAVDADDGHFVSIELE