PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6811833-2 1982 ApoA-I and apoE were demonstrated to be specific products by immunoprecipitation and fractionation on sodium dodecyl sulfate acrylamide gels. Acrylamide 125-135 apolipoprotein E Rattus norvegicus 11-15