UASt regulatory sequences drive expression of a mutant form of RhoGAPp190 (carries the amino acid replacement R1389L) tagged with Tag:MYC.
Expression of RhoGAPp190R1389L.Scer\UAS.T:Hsap\MYC under the control of Scer\GAL4OK107 results in weak overextension of dorsal lobe axons in the mushroom body.