R22E09 regulatory sequences regulate expression of a lexA::GAD driver containing an extended version of the Scer\GAL4 activation domain ('GADfl'). The fusion protein is tagged with a Tag:NLS(SV40-largeT) nuclear localisation signal.
EcollexAGADfl.R22E09.Tag:NLS(SV40-largeT) drives expression in lamina monopolar neuron L3 from 72 hr APF.