PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 14645719-5 2003 By contrast, the enzyme catalase, which destroys H2O2, attenuated A23187-induced relaxations over a broad range of concentrations, but only minimally depressed the maximum response to ACh. Hydrogen Peroxide 49-53 catalase Oryctolagus cuniculus 24-32