PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23066705-12 2012 In contrast, the intense spectrum of Y257F(Int2)(HPCA) suggests the intermediate is most likely an HPCA quinone-Fe(II)-(hydro)peroxo species. quinone 104-111 fibroblast growth factor 3 Homo sapiens 43-47