PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19039036-7 2009 Overexpression of Drp-1(K38A), a dominant-negative mitochondria-fission mutant, or Mfn2, a protein that promotes mitochondria fusion, suppressed polyglutamine-induced mitochondria fragmentation, the reduction of ATP levels and cell death. polyglutamine 145-158 utrophin Homo sapiens 18-23