>tr|A0A0U3E4S6|A0A0U3E4S6_9INFA Matrix protein 2 OS=Influenza A virus GN=M2 MSLLTEVETPTRNGWECKCSDSSDPLVIAASIIGILHLILWILDRLFFKCIYRRLKYGLK RGPSTEGVPESMREEYRQEQQSAVDVDDGHFVNIELE