Insertion of a P{GS} element at +290bp (relative to the transcription start site).
Flies expressing P{GS}CG4455GS2003 under the control of Scer\GAL429BD or Scer\GAL4c355 show semi-lethality. Flies expressing P{GS}CG4455GS2003 under the control of Scer\GAL4c355 or Scer\GAL4dpp.blk1 have extra bristles. Flies expressing P{GS}CG4455GS2003 under the control of Scer\GAL4hs.2sev have rough eyes.