Amino acid replacement: Q71L.
UAS regulatory sequences drive expression of a putative GTP-bound form of dnd.
Scer\GAL4btl.PS/dndQ71L.UAS rescues dnd1
Scer\GAL4btl.PS driven dndScer\UAS.cKa rescues the embryonic tracheal fusion phenotype of dnd1 to 97.9%.