The first two zinc-finger domains (amino acid residues 442--506) have been replaced by a Tag:MYC tag.
Expression of ciΔZ2.Scer\UAS.T:Hsap\MYC, under the control of ciScer\UAS.cHb, in a ci94 null background, results in deletion of the posterior region of each denticle belt and a partial duplication of the anterior denticles on the embryonic cuticle.