Mechanism of molecular recognition. Structural aspects of 3,3'-diiodo-L-thyronine binding to human serum transthyretin.

Abstract excerpt

The three-dimensional structure of the thyroid hormone metabolite, 3,3'-diiodo-L-thyronine (3,3'-T2), complex with human serum transthyretin (TTR) has been refined to R = 18.5% for 8-2 A resolution data. This is the first detailed description of a thyroid hormone metabolite binding to a thyroid transport protein. The four TTR monomeric subunits form a tetramer in the same manner as the native transthyretin...

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