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Serum Albumin

A Collection of Carriers

Many different molecules are transported in the blood, so it is no surprise that we make a diverse collection of proteins to carry them. Unlike serum albumin, many of these are specific carriers, delivering only a single type of molecule. Two examples are shown here. Transferrin, shown here from PDB entry 1h76, carries iron ions and transthyretin, from PDB entry 1tha, delivers thyroid hormones. The blood is filled with these busy carriers that deliver their cargo throughout the body.

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PDB Molecule of the Month January 2003, by David S. Goodsell

Last changed by: A.Honegger, 8/4/06