The FRT cassette has been excised, juxtaposing UAS regulatory and activated N ("N[intra]") coding sequences.
Expression of Nintra.-FRT.Scer\UAS under the control of Scer\GAL4αTub84B.PC in ap56f/ap56f wing discs rescues wing growth.
Nintra.-FRT.UAS/Scer\GAL4αTub84B.PC is a suppressor of wing disc phenotype of ap56f