# refseq assembly genbank ucsc NC_028391.1 2 KR902718.1 NC_028391v1 NC_028392.1 4 KR902720.1 NC_028392v1 NC_028396.1 1 KR902717.1 NC_028396v1 NC_028397.1 3 KR902719.1 NC_028397v1