>sp|A4U7B5|PB1F2_I51A0 Protein PB1-F2 OS=Influenza A virus (strain A/USA:Albany/12/1951 H1N1) OX=425580 GN=PB1 PE=3 SV=1
MGQEQGTPWILSTGHISTQKGEDGQKTPKLEHHNSTQLMGHYQKTMNQVVMPKQIVY