Hsp70Bb upstream sequences from the transcription start site to position -23 drive lacZ expression.
P5\'
P3\'
construct_comment: One of a series of constructs used to characterize promoter sequences and sequences required for puffing within Hsp70Bb.
construct_comment: One of a series of constructs used to characterize promoter sequences and sequences required for puffing within Hsp70Bb.