PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8142401-5 1994 In reactions started with mixtures of iron(II) and iron(III) lipoxygenase, r(init) is linearly related to the initial concentration of the Fe (III) enzyme form. Iron 38-42 linoleate 9S-lipoxygenase-4 Glycine max 61-73