The R53H03 enhancer fragment is fused upstream of the Drosophila synthetic core promoter (DSCP) followed by the GAL4(DBD)::Zip- hemidriver (component of the 'Split GAL4' system, contains the GAL4 DNA-binding domain). A Hsp70 transcriptional terminator is present.
Comment: when combined with PBac{R30C01-p65.AD} (combination referred to as 'MB078C')
when combined with P{R80G12-p65.AD} (combination referred to as 'MB057B')