Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation Structure and mechanism of mammalian thioredoxin reductase: The active site is a redox active selenolthiol selenenylsulfide formed from the conserved cysteine selenocysteine sequence PNAS Non covalent inhibitors of thioredoxin glutathione reductase with schistosomicidal activity in vivo Nature Communications Thioredoxin and glutathione reductases ScienceDirect