A 2879 base pair fragment from the flanking non-coding or intronic region of pdfr is fused upstream of a Drosophila core synthetic promoter (DSCP) that is followed by sequence encoding a GAL4 driver.
timUAS.pLUC/Scer\GAL4GMR18F07 partially rescues tim01
perUAS.cBa/Scer\GAL4GMR18F07 fails to rescue per01