UASp regulatory sequences drive expression of a deleted form of Pi3K21B (lacks amino acids 185-277 have been replaced with a 4xGSS linker). The coding sequence is tagged at the C-terminal end with Tag:HA.
abnormal planar polarity | embryonic stage | maternal effect, with Scer\GAL4VP16.mat.αTub67C
embryo | maternal effect, with Scer\GAL4VP16.mat.αTub67C