strain_id	description	flag	length
NZ_CP040269.1	Escherichia coli strain 1500 chromosome, complete genome	genbank	4736377
NZ_CP040271.1	Escherichia coli strain 1500 plasmid pEc1500_2, complete sequence	genbank	4087
NZ_CP040270.1	Escherichia coli strain 1500 plasmid pEc1500_CTX, complete sequence	genbank	91123
