PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 159300-1 1979 Certain phosphocreatine preparations contain a contaminant that inhibits phosphofructokinase and pyruvate kinase assays. Phosphocreatine 8-23 pyruvate kinase PKLR Oryctolagus cuniculus 97-112