Article
Cryo-EM structures of the XPF-ERCC1 endonuclease reveal how DNA-junction engagement disrupts an auto-inhibited conformation.
Nature communications - 28 Feb 2020
Jones Morgan, Beuron Fabienne, Borg Aaron, Nans Andrea, Earl Christopher P, Briggs David C, Snijders Ambrosius P, Bowles Maureen, Morris Edward P, Linch Mark, McDonald Neil Q
Abstract excerpt
The structure-specific endonuclease XPF-ERCC1 participates in multiple DNA damage repair pathways including nucleotide excision repair (NER) and inter-strand crosslink repair (ICLR). How XPF-ERCC1 is catalytically activated by DNA junction substrates is not currently understood. Here we report cryo-electron microscopy structures of both DNA-free and DNA-bound human XPF-ERCC1. DNA-free XPF-ERCC1 adopts an...
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