# refseq	assembly	genbank	ucsc
NC_007539.1	1	AF296439.1	NC_007539v1
NC_007540.1	2	AF296440.1	NC_007540v1
NC_007541.1	3	AF296441.1	NC_007541v1
NC_007542.1	4	AF296442.1	NC_007542v1