>tr|A0A1U9HSU9|A0A1U9HSU9_9INFA Matrix protein 2 OS=Influenza A virus GN=M2 MSLLTEVETPTRNGWECKCSDSSDPLVIAASIIGILHLILWILDRLFFKCIYRRLKYGLK RGPSTEGVPESMREEYRQEQQSAVDVDDGHFVNIELE