strain_id	description	flag	length
NZ_CP042980.1	Shigella flexneri Y strain PE577 chromosome, complete genome	genbank	4591632
NZ_CP042979.1	Shigella flexneri Y strain PE577 plasmid unnamed1, complete sequence	genbank	3990
NZ_CP042978.1	Shigella flexneri Y strain PE577 plasmid unnamed2, complete sequence	genbank	3128
