PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7516581-5 1994 The location of Mn2+ and deoxyadenosine triphosphate in pol beta confirms the role of the invariant aspartates in metal ion and deoxynucleoside triphosphate binding. 2'-deoxyadenosine triphosphate 25-52 DNA polymerase beta Rattus norvegicus 56-64