PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29869836-2 2018 Genetic expansion of a poly-glutamine tract in human ATXN2 has been implicated in several neurodegenerative diseases, likely acting through gain-of-function effects. polyglutamine 23-37 ataxin 2 Homo sapiens 53-58