Deletion of 5' sequences to -91bp.
5' regulatory region deletion derivative of y, 91 nucleotides remain upstream of the transcription start site.
construct_comment: One of a series of constructs used for deletion analysis of the 5\' regulatory region of the yellow gene; see P{Car20y}.
construct_comment: One of a series of constructs used for deletion analysis of the 5\' regulatory region of the yellow gene; see P{Car20y}.