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  • Title: The fatty-acid-induced conformational states of human serum albumin investigated by means of multiple co-binding of protons and oleic acid.
    Author: Dröge JH, Janssen LH, Wilting J.
    Journal: Biochem J; 1988 Mar 01; 250(2):443-6. PubMed ID: 2833243.
    Abstract:
    The binding of oleic acid to human serum albumin causes progressive changes in (a) the pK of some amino acid residues, as detected by pH-stat titration and (b) the induced molar ellipticities of albumin-bound drugs (diazepam and oxyphenbutazone), as measured by c.d. It is concluded that albumin undergoes several conformational transitions as the amount of oleic acid bound increases from 0 to about 9 molecules/molecule of protein. At least three different conformations of the protein seem to be involved. These conformations can be linked with the three classes of oleic acid-binding sites on albumin.
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