Structure of the P15PAF/PCNA complex and implications for clamp sliding on the DNA during replication and repair - De Biasio, Alfredo; Ibanez de Opakua, Alain; Mortuza, Gulnahar; Molina, Rafael; Cordeiro, Tiago; Castillo, Francisco; Gil-Carton, David; Bernado, Pau; Montoya, Guillermo; Blanco, Francisco (PROTEIN SCIENCE, 2015)