UAS regulatory sequences drive expression of N which is truncated at amino acid residue 2155.
Scer\GAL415J2/NΔ2155.UAS partially rescues Nl1N-ts1
Expression of NΔ2155.UAS in pioneer neurons under the control of Scer\GAL415J2 partially rescues axon extension in Nl1N-ts1 mutant embryos.