PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7122973-1 1982 Both activities behaved differently in relation to optimum pH, stability against temperature and time of storage of 4 degrees C. Disc electrophoresis on polyacrilamide gel showed the existence of five anionic and three cationic isoenzymes with peroxidase activity by using benzidine as substrate; three of the anionic isoenzymes and one cationic isoenzyme possessed a simultaneous IAA oxidase activity as well. benzidine 273-282 peroxidase 43 Cicer arietinum 244-254