Article
Integrity of the Mod(mdg4)-67.2 BTB domain is critical to insulator function in Drosophila melanogaster.
Molecular and cellular biology - 1 Feb 2007
Golovnin Anton, Mazur Alexander, Kopantseva Marina, Kurshakova Maria, Gulak Pavel V, Gilmore Brian, Whitfield William G F, Geyer Pamela, Pirrotta Vincenzo, Georgiev Pavel
Abstract excerpt
The Drosophila gypsy insulator contains binding sites for the Suppressor of Hairy-wing [Su(Hw)] protein. Enhancer and silencer blocking require Su(Hw) recruitment of Mod(mdg4)-67.2, a BTB/POZ domain protein that interacts with Su(Hw) through a carboxyl-terminal acidic domain. Here we conducted mutational analyses of the Mod(mdg4)-67.2 BTB domain. We demonstrate that this domain is essential for insulator...
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