PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1512217-7 1992 These findings confirm our recent description of the membrane-bound cytochrome b as a FAD-containing flavocytochrome b containing the NADPH binding site, and implicate the three cytosolic proteins in its activation. NADP 134-139 mitochondrially encoded cytochrome b Homo sapiens 68-80