obsolete repairosome true GO:0000108 repairosome OBSOLETE. A stable complex of proteins that carry out the DNA damage recognition and incision reactions characteristic of nucleotide excision repair (NER), such as DNA damage recognition, DNA helix unwinding, and endonucleolytic cleavage at sites flanking damaged DNA; includes TFIIH subunits and additional polypeptides; may form in the absence of DNA damage. cellular_component This term was made obsolete because 'repairosome' has fallen out of use in the literature, and the large complex described in the definition has not been confirmed to exist. The term has also confused annotators. nucleotide-excision repair complex