Construct: 35kb segment of genomic DNA from the Dab region from position 83 to 115, the entire cDNA C sequence and 5kb flanking DNA on the 5' and 3' side.
The lethality of NrtM2 Df(3L)st-j7/Abl1 animals is rescued by four copies of P{Dab.G} to almost full viability.