>sp|P13882|BM2_INBAD Matrix protein 2 OS=Influenza B virus (strain B/Ann Arbor/1/1966 [wild-type]) OX=11523 GN=M PE=3 SV=2
MLEPFQILSICSFILSALHFMAWTIGHLNQIKRGVNLKIRIRNPNKETINREVSILRHSY
QKEIQAKETMKEVLSDNMEILSDHIVIEGLSAEEIIKMGETVLEVEELQ