strain_id	description	flag	length
NZ_CP038333.1	Escherichia coli O157:H7 strain N8B7-2 chromosome, complete genome	genbank	5504820
NZ_CP038335.1	Escherichia coli O157:H7 strain N8B7-2 plasmid pN8B7-1, complete sequence	genbank	94694
NZ_CP038334.1	Escherichia coli O157:H7 strain N8B7-2 plasmid pN8B7-2	genbank	58668
