Functional plasticity of a peroxidase allows evolution of diverse disulfide reducing pathways 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 DNA Replication in Animal Systems Lacking Thioredoxin Reductase I IntechOpen The role of redoxins in ferroptosis Ferroptosis and Oxidative Stress Science Exploration Press