Immunolocalization of (A) dCTCF (red) on polytene chromosomes. Arrows point to the location of dCTCF sites at the boundary of DAPI band and interbands.
(B) dCTCF (red) and Su(Hw) (green) on polytene chromosomes.
(C) dCTCF (green) and Mod(mdg4)2.2 (red) on polytene chromosomes.
(D) dCTCF (red) and CP190 (green) on polytene chromosomes.