Insertion of a P{GS} element at -93bp (relative to the transcription start site).
lethal, with Scer\GAL429BD
lethal, with Scer\GAL4c355
visible, with Scer\GAL4hs.2sev
wild-type, with Scer\GAL4dpp.blk1
Flies expressing P{GS}Tre1GS1027 under the control of Scer\GAL4hs.2sev have rough eyes.