FJ864692   Influenza A virus (A/great black-headed gull/Qinghai/2/2007(H5N1)) segment 2 polymerase PB1 (PB1) gene, partial cds; and PB1-F2 protein (PB1-F2) gene, complete cds.   [Influenza A virus (A/great black-headed gull/Qinghai/2/2007(H5N1)) | 574696.5]