1H6V:
reference: Three-dimensional structure of a mammalian thioredoxin reductase: implications for mechanism and evolution of a selenocysteine-dependent enzyme., Sandalova T, Zhong L, Lindqvist Y, Holmgren A, Schneider G, Proc Natl Acad Sci U S A 2001 Aug 14;98(17):9533-8. PMID: 11481439

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