Edith E Vamos

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ADA2 adaptor proteins are essential subunits of GCN5-containing histone acetyltransferase (HAT) complexes. In metazoa ADA2a is present in the histone H4-specific ATAC, and ADA2b in the histone H3-specific SAGA complex. Using domain-swapped ADA2 chimeras, we determined that the in vivo function of Drosophila melanogaster SAGA and ATAC HAT complexes depend on(More)
ADA2 proteins, together with ADA3, SGF29 and GCN5 form the acetyltransferase module of GNAT-type histone acetyltransferase complexes. ADA2b is present in the SAGA complex, which plays roles in various chromatin-related processes via histone H3 modifications and by other mechanisms. In this report we present findings showing that during Drosophila(More)
RNA polymerase II (Pol II) is composed of a ten subunit core and a two subunit dissociable subcomplex comprising the fourth and seventh largest subunits, RPB4 and RPB7. The evolutionary highly conserved RPB4/7 heterodimer is positioned in the Pol II such that it can make contact with various factors involved in RNA biogenesis and is believed to play roles(More)
Using yeast two-hybrid screens we determined that Drosophila (Dm)p53 interacts with proteins involved in sumoylation (UBA2, UBC9 and PIAS) through different regions of its C-terminal domain. A K302R point mutation within a single canonical sumoylation site of Dmp53 did not abolish the observed interactions. These observations prompted us to analyze whether(More)
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