strain_id	description	flag	length
NZ_CP038300.1	Escherichia coli O157:H7 strain SS TX 754-1 chromosome, complete genome	genbank	5546758
NZ_CP038301.1	Escherichia coli O157:H7 strain SS TX 754-1 plasmid pTX754-1, complete sequence	genbank	94294
