strain_id	description	flag	length
NC_012587.1	Sinorhizobium fredii NGR234, complete sequence	genbank	3925702
NC_000914.2	Sinorhizobium fredii NGR234 plasmid pNGR234a, complete sequence	genbank	536165
NC_012586.1	Sinorhizobium fredii NGR234 plasmid pNGR234b, complete sequence	genbank	2430033
