UASt regulatory sequences drive expression of an inverted repeat.
Expression of smashKK104543 under the control of Scer\GAL4GMR.PS (but not Scer\GAL4pnr.PU, Scer\GAL4dpp.PU or Scer\GAL4Bx-MS1096) leads to a rough eye phenotype (more severe in males than in females) when compared to control adults.