Canadian Medical Guide > Chemicals and Drugs > Amino Acids, Peptides, and Proteins > Proteins > Blood Proteins > Thyroxine-Binding Proteins Terms and Definitions

Thyroxine-Binding Proteins

Medical Definition:	A group of proteins that includes thyroxine-binding globulin, a glycoprotein that serves as the major and specific carrier of thyroxine in plasma, accounting for 70-75% of the bound thyroxine; thyroxine-binding prealbumin, an albumin that serves as the secondary carrier, accounting for between 20 and 25% of the bound thyroxine; and serum albumin, which accounts for the remaining bound thyroxine.
Guide Notes:	serpins; includes also thyroxine-binding albumin in addition to X refs here
Also Called:	Thyropexin,Thyroxine-Binding Globulin,Thyroxine-Binding Prealbumin

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