UAS regulatory sequences drive expression of fra tagged with a Tag:HA epitope.
Scer\GAL4eg-Mz360/fraUAS.Tag:HA rescues fra3/fra4
Expression of fraScer\UAS.T:Ivir\HA under the control of Scer\GAL4eg-Mz360 cell-autonomously rescues the EW guidance defects of fra3/fra4 embryos.