UASz sequences regulate expression of esc, mutated to carry a H238Y amino acid replacement. This change is equivalent to a H258Y change in the orthologous human EED gene, a variant that is associated with Cohen-Gibson syndrome.
lethal, with Scer\GAL4esc-CR00712-TG4.0
escH238Y.UASz fails to rescue escCR00712-TG4.0/Df(2L)Exel6030