>sp|A4GCH6|M2_I83A1 Matrix protein 2 OS=Influenza A virus (strain A/Chile/1/1983 H1N1) OX=380985 GN=M PE=3 SV=1 MSLLTEVETPIRNEWGCRCNDSSDPLVVAASIIGILHLILWILDRLFFKCIYRLFKHGLK RGPSTEGVPESMREEYREEQQNAVDADDGHFVSIELE