The R57C10 enhancer fragment and promoter is followed 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 P{R64F07-p65.AD}
when combined with P{R64F07-p65.AD} (combination referred to as 'MB242A')