strain_id	description	flag	length
BA000007.3	Escherichia coli O157:H7 str. Sakai DNA, complete genome	genbank	5498578
AB011549.2	Escherichia coli O157:H7 str. Sakai plasmid pO157 DNA, complete sequence	genbank	92721
AB011548.2	Escherichia coli O157:H7 str. Sakai plasmid pOSAK1 DNA, complete sequence	genbank	3306
