# refseq assembly genbank ucsc NC_033319.1 1 KX883849.1 NC_033319v1 NC_033320.1 2 KX883850.1 NC_033320v1 NC_033321.1 3 KX883851.1 NC_033321v1 NC_033322.1 5 KX883853.1 NC_033322v1 NC_033323.1 4 KX883852.1 NC_033323v1 NC_033324.1 6 KX883854.1 NC_033324v1