PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8968739-1 1996 Expansion of trinucleotide CAG repeats coding for polyglutamine has been implicated in five neurodegenerative disorders, including spinocerebellar ataxia (SCA) 1 and SCA3 or Machado-Joseph disease (SCA3/MJD), two forms of type I autosomal dominant cerebellar ataxias (ADCA). polyglutamine 50-63 ataxin 3 Homo sapiens 166-170