UAS regulatory sequences drive expression of the plexin-interacting region of Mical tagged with Tag:Myr(Src64B).
Expression of MICALCT.Scer\UAS.T:Myr1 under the control of Scer\GAL4elav.PLu results in the ISNb axons failing to innervate muscle 6/7 properly in 32.0% of hemisegments and failing to innervate muscle 12/13 properly in 48.5% of hemisegments. 46.4% of hemisegments show SNa pathway defects, failing to make the two characteristic turns between muscles 22 and 23 and muscles 23 and 24.