PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20876283-6 2010 Further, the destabilization of nucleosomes by p400 is required for the RNF8-dependent ubiquitination of chromatin, and for the subsequent recruitment of brca1 and 53BP1 to DSBs. dsbs 173-177 ring finger protein 8 Homo sapiens 72-76