1 Department of Pharmacology & Chemical Biology and UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA.
2 Department of Pharmacology & Chemical Biology and UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA. kaa140@pitt.edu.
In this Comment, Naveen Tangudu and Katherine Aird discuss recent findings showing that 53BP1 regulates heterochromatin through liquid-liquid phase separation.