PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9309688-4 1997 Energization of mitochondria mainly depends on the availability of suitable respiratory substrates which can provide hydrogen for the reduction of either the glutathione- or alpha-tocopherol-system, since GSH is regenerated by glutathione reductase with the substrate NADPH and the alpha-tocopheroxyl-radical likely by reduced coenzyme Q. NADP 268-273 glutathione-disulfide reductase Rattus norvegicus 227-248