PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1769971-7 1991 The hydroxylation was inhibited by salts and azide due to interruption of the electron transport from NAD(P)H to cytochrome b5 and in the terminal enzyme reaction, respectively. Azides 45-50 cytochrome b5 type A Equus caballus 113-126