The 5' (7.5kb) and 3' (2.7kb) flanking regions of Ir94h are fused to the 5' and 3' end of GAL4 respectively.
ScerGAL4Ir94h.PK drives expression in a single chemosensory neuron of adult labral sensillum 7 that also co-expresses ScerGAL4Ir60b.PK.