# refseq	assembly	genbank	ucsc
NZ_BLKW01000001.1	sequence1	BLKW01000001.1	NZ_BLKW01000001v1
NZ_BLKW01000002.1	sequence2	BLKW01000002.1	NZ_BLKW01000002v1
NZ_BLKW01000003.1	sequence3	BLKW01000003.1	NZ_BLKW01000003v1
NZ_BLKW01000004.1	sequence4	BLKW01000004.1	NZ_BLKW01000004v1