PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 404858-6 1977 An addition of histamine dihydrochloride or putrescine dihydrochloride to an incubation mixture, containing ceruloplasmin as enzyme and o-dianisidine or p-phenylene-diamine as substrates, produced an activation of the enzyme, being more than 10-fold in the presence of 1 X 10(-2) M putrescine at pH 7.0. 4-phenylenediamine 153-172 ceruloplasmin Cavia porcellus 108-121