GQ404641   Influenza A virus (A/mallard/Czech Republic/14760-3/2007(H4)) segment 7 matrix protein 2 (M2) gene, partial cds; and matrix protein 1 (M1) gene, complete cds.   [Influenza A virus (A/mallard/Czech Republic/14760-3/2007(H4)) | 661304.3]