>tr|U6BQW9|U6BQW9_9MONO Matrix protein 2-2 OS=Avian metapneumovirus type C OX=227731 GN=M2-2 PE=4 SV=1 MTLQLPCKIVQTLIKCGEHGLIFLKMRLDDMVWTKNELVDIISTEIVKVHANIFKCRLED IEIIYVKTFLS