UASp regulatory sequences drive expression of full-length arm which is tagged with a Tag:HA epitope.
The defects in axis elongation seen in embryos expressing AblGL00234 under the control of Scer\GAL4mat.αTub67C.T:Hsim\VP16 are not rescued by co-expression of armScer\UAS.P\T.T:Ivir\HA1.