PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18381282-9 2008 The presence of tyrosines within polyglutamine stretches dramatically enhanced polymer fragmentation and allowed polymer propagation in the absence of Rnq1 and, in some cases, of Hsp104. polyglutamine 33-46 chaperone ATPase HSP104 Saccharomyces cerevisiae S288C 179-185