PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17209563-2 2007 Reaction of PGHS-1 with peroxide forms Intermediate I, which has an oxyferryl heme and a porphyrin radical. oxyferryl heme 68-82 prostaglandin-endoperoxide synthase 1 Homo sapiens 12-18 17209563-0 2007 Oxyferryl heme and not tyrosyl radical is the likely culprit in prostaglandin H synthase-1 peroxidase inactivation. oxyferryl heme 0-14 prostaglandin-endoperoxide synthase 1 Homo sapiens 64-90