A 3492 base pair fragment from the flanking non-coding or intronic region of CG31257 is fused upstream of a Drosophila core synthetic promoter (DSCP) that is followed by sequence encoding a GAL4 driver.
ScerGAL4GMR93B07 drives expression in mushroom body extrinsic neurons that innervate mushroom body gamma lobe slice 3 and mushroom body beta' lobe slice 1.