Hart LS, Yannone SM, Naczki C, Orlando JS, Waters SB, Akman SA, Chen DJ, Ornelles D, Koumenis C. The adenovirus E4orf6 protein inhibits DNA double strand break repair and radiosensitizes human tumor cells in an E1B-55K-independent manner. J Biol Chem. 2005 Jan 14; 280(2):1474-81.