PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22679021-3 2012 A deubiquitinating enzyme OTUB1 suppresses Lys-63-linked ubiquitination of chromatin surrounding DSBs by binding UBC13 to inhibit its E2 activity independently of the isopeptidase activity. dsbs 97-101 ubiquitin conjugating enzyme E2 N Homo sapiens 113-118