UAS regulatory sequences drive expression of an inverted repeat of a 573bp fragment that targets exons 4 and 5 of for (these exons contain the coding sequence specific to the P1 and P3 protein isoforms).
lethal - all die before end of P-stage, with Scer\GAL4da.PU
lethal - all die before end of P-stage, with Scer\GAL4αTub84B.PL