JX454711   Influenza A virus (A/duck/Korea/DY97/2007(H4N3)) segment 2 polymerase PB1 (PB1) and PB1-F2 protein (PB1-F2) genes, complete cds.   [Influenza A virus (A/duck/Korea/DY97/2007(H4N3)) | 1218309.8]