PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1061067-2 1975 Treatment with N-bromosuccinimide quenches enzyme tryptophan and Tb(III) fluorescence to a similar extent and suggests the operation of tryptophan vector Tb(III) vector Co(II) energy relay system in the enzyme. Bromosuccinimide 15-33 mitochondrially encoded cytochrome c oxidase II Homo sapiens 169-175