Requirement for XLF/Cernunnos in alignment-based gap filling by DNA polymerases λ and μ for nonhomologous end joining in human whole-cell extracts

Konstantin Akopiants, Rui Zhe Zhou, Susovan Mohapatra, Kristoffer Valerie, Susan P. Lees-Miller, Kyung Jong Lee, David J. Chen, Patrick Revy, Jean Pierre de Villartay, Lawrence F. Povirk