U03993	5932	399	455	fragment from pTZ1
U03993	5932	458	532	Escherichia coli trp operon DNA
U03993	5932	533	3639	Escherichia coli lac operon DNA
U03993	5932	539	3624	lacZ
U03993	5932	539	542	lacZ
U03993	5932	3619	3647	junction between lac operon DNA and polylinker
U03993	5932	3642	3698	bla
U03993	5932	5738	5741	bla