strain_id	description	flag	length
NZ_CP038369.1	Escherichia coli O157:H7 strain F6321 chromosome, complete genome	genbank	5530739
NZ_CP038371.1	Escherichia coli O157:H7 strain F6321 plasmid pF6321-1, complete sequence	genbank	92990
NZ_CP038370.1	Escherichia coli O157:H7 strain F6321 plasmid pF6321-2, complete sequence	genbank	2731
