UASt regulatory sequences drive expression of a mutant form of HtrA2 in which the serine at amino acid 236 has been replaced by cysteine.
No eye phenotypes are observed when HtrA2S236C.Scer\UAS is expressed under the control of Scer\GAL4GMR.PF.
The indirect flight muscles appear normal when HtrA2S236C.Scer\UAS is expressed under the control of Scer\GAL4Mef2.PR.