>tr|R9WKB0|R9WKB0_9INFA Protein PB1-F2 OS=Influenza A virus GN=PB1-F2 MEQEQDTPWILSTGHISTQKGEGGQQTPKLEHHNSTRLMDHCQKTMNQVVMPKQIVYWKQ WLSLRNPILVFLKTRVLRQWRLFSKHEWTN