UAS regulatory sequences drive expression of a mutant C-terminal fragment of DAAM; 5 amino acids within the FH2 domain have been replaced with alanine.
Scer\GAL4elav.PLu/DAAMC.FH2R.K-A.UAS rescues DAAMEx4
Scer\GAL4ey-OK107/DAAMC.FH2R.K-A.UAS fails to rescue DAAMEx4