lacZ expression is governed by a fragment of en promoter extending from -0.4kb to +188bp upstream of the transcription start site.
construct_comment: One of a series of constructs used to characterize en regulatory elements contained within the first intron.
construct_comment: One of several constructs designated P{en3}.
construct_comment: One of a series of constructs used to characterize en regulatory elements contained within the first intron.
construct_comment: One of several constructs designated P{en3}.