>sp|P03493|BM2_INBLE Matrix protein 2 OS=Influenza B virus (strain B/Lee/1940) OX=518987 GN=M PE=1 SV=2
MLEPLQILSICSFILSALHFMAWTIGHLNQIKRGVNLKIQIRNPNKEAINREVSILRHNY
QKEIQAKETMKKILSDNMEVLGDHIVVEGLSTDEIIKMGETVLEVEELQ