3PIM:
reference: Structural plasticity of the thioredoxin recognition site of yeast methionine S-sulfoxide reductase Mxr1., Ma XX, Guo PC, Shi WW, Luo M, Tan XF, Chen Y, Zhou CZ, J Biol Chem. 2011 Apr 15;286(15):13430-7. Epub 2011 Feb 23. PMID: 21345799

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