UAS sequences drive expression of N carrying both a deletion that removes both basic peptides within the PPD domain and a triple point mutation in the RAM domain (amino acid replacements W1776L, F1777L and P1778A).
Expression of NRam*Δ3.Scer\UAS under the control of Scer\GAL4sca-537.4 only results in very weak rescue of the severe hyperplasia of the central and peripheral nervous systems seen in N55e11 mutant embryos.