Trichothiodystrophy 5, Nonphotosensitive, also known as ttd5, is related to transient tic disorder and trichotillomania. An important gene associated with Trichothiodystrophy 5, Nonphotosensitive is RNF113A (Ring Finger Protein 113A). Affiliated tissues include brain and adrenal gland, and related phenotypes are mandibular prognathia and delayed speech and language development