PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25706908-6 2015 The C N stretching mode of the incorporated pCNF detected in the IR spectra reveals a surprising difference, which is related to the oxidation state of the heme iron, thus indicating high sensitivity to changes in the electrostatics of cyt c. Iron 161-165 cytochrome c, somatic Homo sapiens 236-241