GQ335505   Influenza A virus (A/chicken/Shanghai/Y2/2007(H9N2)) segment 2 polymerase PB1 (PB1) gene, partial cds; and nonfunctional PB1-F2 protein (PB1-F2) gene, partial sequence.   [Influenza A virus (A/chicken/Shanghai/Y2/2007(H9N2)) | 656022.7]