# refseq assembly genbank ucsc NC_006495.1 2 AF004985.1 NC_006495v1 NC_006496.1 3 AF006073.1 NC_006496v1 NC_006504.1 6 AF527531.1 NC_006504v1 NC_006506.1 4 M77280.1 NC_006506v1 NC_006507.1 5 X96872.1 NC_006507v1 NC_006508.1 1 Y17873.1 NC_006508v1