Structure of rat transthyretin (rTTR) complex with thyroxine at 2.5 A resolution: first non-biased insight into thyroxine binding reveals different hormone orientation in two binding sites.


The first observation of the unique environment for thyroxine (T(4)) binding in tetrameric rat transthyretin (rTTR) is reported as determined by X-ray diffraction. These data revealed different modes of hormone binding in the two unique hormone-binding sites in the rat TTR tetramer channel. Differences in the orientation of thyroxine and the position of… (More)


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