GAL4 is under the control of 12 cAMP response element (CRE, TGACGTCA) repeats, followed by a footprint 5 sequence (GCGCCGGCGCTTCCAG), a Hsp70 promoter and an SV40 terminator.
ScerGAL412xCRE drives expression in approximately 350 gamma Kenyon cells, as well as small numbers of alpha/beta and alpha'/beta' Kenyon cells.