A 2644 base pair fragment from the flanking non-coding or intronic region of CG9657 is fused upstream of a Drosophila core synthetic promoter (DSCP) that is followed by sequence encoding a GAL4 driver.
Scer\GAL4GMR56F03 drives expression in neuropil ensheathing glia; expression not associated with axon tracts. Scer\GAL4GMR56F03 also drives expression in ensheathing glia in the embryonic and larval CNS.