A 1938 base pair fragment from the flanking non-coding or intronic region of Ubx is fused upstream of a Drosophila core synthetic promoter (DSCP) that is followed by sequence encoding a GAL4 driver.
Comment: 72h APF
ScerGAL4GMR31C06 drives expression in laminar monopolar neurons L4 at 48 hours APF.
ScerGAL4GMR31C06 drives expression in L4 neurons after 40 hr APF.