This domain is found in the UvrB protein where it interacts with the UvrA protein [2].

1: Crystal structure of Bacillus stearothermophilus UvrA provides insight into ATP-modulated dimerization, UvrB interaction, and DNA binding. Pakotiprapha D, Inuzuka Y, Bowman BR, Moolenaar GF, Goosen N, Jeruzalmi D, Verdine GL; Mol Cell. 2008;29:122-133. PMID:18158267

2: A structural model for the damage-sensing complex in bacterial nucleotide excision repair. Pakotiprapha D, Liu Y, Verdine GL, Jeruzalmi D; J Biol Chem. 2009;284:12837-12844. PMID:19287003