53BP1 is a reader of the DNA-damage-induced H2A Lys 15 ubiquitin mark.
Nature
Fradet-Turcotte, Amélie A; Canny, Marella D MD; Escribano-Díaz, Cristina C; Orthwein, Alexandre A; Leung, Charles C Y CC; Huang, Hao H; Landry, Marie-Claude MC; Kitevski-LeBlanc, Julianne J; Noordermeer, Sylvie M SM; Sicheri, Frank F; Durocher, Daniel D