UASt regulatory sequences drive expression of an XbaI fragment of N, carrying the last 3 introns and the 5' and 3' untranslated regions of the mRNA.
N3intron.UAS/Scer\GAL4VP16.arm rescues N55e11
Scer\GAL4arm.T:Hsim\VP16-mediated expression rescues N55e11 mutant PNS and CNS defects.