UASp regulatory sequences drive expression of Regnase-1 that lacks RNase catalytic activity (carries the amino acid replacement D138A). The protein is tagged with a 3xTag:HA-Tag:CS(PSP)-3xTag:FLAG tag cassette.
Scer\GAL4Act5C.PU/Regnase-1D138A.UASp fails to rescue Regnase-1KO/Df(3R)ED6027