# refseq assembly genbank ucsc NC_033447.1 1 KX884093.1 NC_033447v1 NC_033448.1 2 KX884094.1 NC_033448v1 NC_033449.1 3 KX884096.1 NC_033449v1 NC_033454.1 4 KX884095.1 NC_033454v1