Act79B regulatory sequences from -1106 to -691 relative to the Act79B transcription start site are fused upstream of sequence encoding a GAL4 driver.
ScerGAL4Act79B.PB drives expression in the jump muscle, but not in the flight muscles.
ScerGAL4Act79B.PB drives expression in the mesothoracic extracoxal depressor muscle 66 (TDT) muscle.