strain_id	description	flag	length
NC_010338.1	Caulobacter sp. K31, complete sequence	genbank	5477872
NC_010335.1	Caulobacter sp. K31 plasmid pCAUL01, complete sequence	genbank	233649
NC_010333.1	Caulobacter sp. K31 plasmid pCAUL02, complete sequence	genbank	177878
