A 824 base pair fragment from the n-syb region, including the putative endogenous n-syb promoter, is fused upstream of sequence encoding a GAL4 driver.
Drives expression in a subset of optic lobe neurons.
ScerGAL4GMR57C10, in combination with KlacKDRGMR29C07.Switch-4, drives expression stochastically in optic lobe neurons.