KEGG Orthology (KO) [BR:ko00001] 09100 Metabolism 09106 Metabolism of other amino acids 00450 Selenocompound metabolism [PATH:ko00450] K00384 trxB, TRR; thioredoxin reductase (NADPH) [EC:1.8.1.9] Enzymes [BR:ko01000] 1. Oxidoreductases 1.8 Acting on a sulfur group of donors 1.8.1 With NAD+ or NADP+ as acceptor 1.8.1.9 thioredoxin-disulfide reductase K00384 trxB, TRR; thioredoxin reductase (NADPH) [EC:1.8.1.9]