Flies expressing cdScer\UAS.P\T.cHa under the control of Scer\GAL4GMR.PF have normal levels of both drosopterin and ommochrome pigment levels.
Expression of cdScer\UAS.P\T.cHa under the control of Scer\GAL4GMR.PF rescues the reduction in ommochrome pigment levels that is seen in cdY459X flies.