Three dimensional structure of a mammalian thioredoxin reductase: Implications for mechanism and evolution of a selenocysteine dependent enzyme PNAS Frontiers Assigning function to active site residues of Schistosoma mansoni thioredoxin glutathione reductase from analysis of transient state reductive half reactions with variant forms of the enzyme Thioredoxin Reductase an overview ScienceDirect Topics The thioredoxin system in retroviral infection and apoptosis Cell Death & Differentiation