PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12427746-4 2003 Evidence from nickel-nitrilotriacetic acid pull-down experiments demonstrates a highly stable Rad51B.Rad51C heterodimer, which interacts weakly with Rad51. Nickel 14-20 RAD51 recombinase Homo sapiens 94-99