# refseq assembly genbank ucsc NC_021287.1 1 AP013058.1 NC_021287v1 NC_021288.1 3 AP013060.1 NC_021288v1 NC_021289.1 p1 AP013061.1 NC_021289v1 NC_021294.1 2 AP013059.1 NC_021294v1 NC_021295.1 p2 AP013062.1 NC_021295v1