>tr|B1MPR0|B1MPR0_9INFA Protein PB1-F2 OS=Influenza A virus OX=496743 GN=PB1-F2 PE=3 SV=1 MEQEQDTPWTQSTEHINIQKRGNGQRTQRLEHPNSIRLMDHCLRIMSRVGMHRQIVYWKQ WLSLKSPTQGSLKTRVLKRWKLFSKQEWIN