PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7804128-2 1994 At physiological pH values, these oligopeptides greatly suppressed the generation of .OH from the reaction of Cu(en)2 (en: ethylenediamine) with hydrogen peroxide (H2O2), although these oligopeptides did not scavenge O2-. ethylenediamine 123-138 engrailed homeobox 2 Homo sapiens 110-117