To date, nine disorders have been reported, including spinal and bulbar muscular atrophy (SBMA), Huntington’s disease (HD), several spinocerebellar ataxias (SCA1, SCA2, SCA3, SCA6, SCA7, and SCA17), and dentatorubral pallidoluysian atrophy (DRPLA)95. Here, TBP is linked to Huntington disease.