strain_id	description	flag	length
CP022686.1	Escherichia coli Nissle 1917 chromosome, complete genome	genbank	5055316
CP023342.1	Escherichia coli Nissle 1917 plasmid pMUT2, complete sequence	genbank	5514
CP022687.1	Escherichia coli Nissle 1917 plasmid pNissle1	genbank	11499
