strain_id	description	flag	length
NZ_CP019485.1	Sinorhizobium meliloti strain B401 chromosome, complete genome	genbank	3459457
NZ_CP019483.1	Sinorhizobium meliloti strain B401 plasmid pSymA, complete sequence	genbank	1096825
NZ_CP019484.1	Sinorhizobium meliloti strain B401 plasmid pSymB, complete sequence	genbank	1584717
