The GMR65B12 enhancer fragment followed by the Drosophila synthetic core promoter (DSCP) is fused upstream of the GAL4(DBD)::Zip- hemidriver (component of the 'Split GAL4' system, contains the GAL4 DNA-binding domain).
Comment: when combined with P{R35E04-p65.AD} (combination referred to as 'SS55437')