PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2107882-7 1990 These observations suggest that replacement of Pro-127 causes a significant conformation change in the nucleotide-binding domain that affects electron transport from NADH to cytochrome b5. NAD 166-170 cytochrome b5 type A Homo sapiens 174-187