3.7kb SalI-BglII fragment of Sxl-Pe sequences are fused to hb structural gene.
Construct: 0.5kb of scs' sequences.
Full length 1.8kb BamHI-BglII scs insulator.
Construct: 1.8kb of scs sequences.
Full length 1.8kb scs insulator.
1.8kb BamHI-BglII fragment containing scs sequences.