title: XPF-ERCC1: on the bubble.
abstract: In this issue of Structure, Das et al. report the structure of the helix-hairpin-helix dimerization domain of XPF bound to ssDNA. These results provide insight into the architecture of nucleotide excision repair machinery and how it interacts with damaged DNA substrates.
authors.affiliation: Department of Biochemistry, Center for Structural Biology, 5140 Biological Sciences/MRB III, Vanderbilt University, Nashville, TN 37232-8725, USA. steven.m.shell@vanderbilt.edu
authors.forename: Steven M
authors.initials: SM
authors.lastname: Shell
authors.forename: Walter J
authors.initials: WJ
authors.lastname: Chazin