strain_id	description	flag	length
NZ_CP038419.1	Escherichia coli O157:H7 strain 2-6-2 chromosome, complete genome	genbank	5552787
NZ_CP038420.1	Escherichia coli O157:H7 strain 2-6-2 plasmid pEX262-1, complete sequence	genbank	98042
