strain_id	description	flag	length
NZ_CP021797.1	Sinorhizobium meliloti strain USDA1106 chromosome, complete genome	genbank	3671869
NZ_CP021798.1	Sinorhizobium meliloti strain USDA1106 plasmid psymA, complete sequence	genbank	1363628
NZ_CP021799.1	Sinorhizobium meliloti strain USDA1106 plasmid psymB, complete sequence	genbank	1680729
