Crystal structure of human serum albumin complexed with fatty acid reveals an asymmetric distribution of binding sites.
摘要：
Human serum albumin (HSA) is the most abundant protein in the circulatory system. Its principal function is to transport fatty acids, but it is also capable of binding a great variety of metabolites and drugs. Despite intensive efforts, the detailed structural basis of fatty acid binding to HSA has remained elusive. We have now determined the crystal structure of HSA complexed with five molecules of myristate at 2.5 A resolution. The fatty acid molecules bind in long, hydrophobic pockets capped by polar side chains, many of which are basic. These pockets are distributed asymmetrically throughout the HSA molecule, despite its symmetrical repeating domain structure.
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关键词：
Humans Macromolecular Substances Fatty Acids Myristic Acid Serum Albumin Recombinant Proteins Ligands Crystallography, X-Ray Binding Sites Amino Acid Sequence
DOI：
10.1038/1869
被引量：
年份：
1998
Taylor & Francis
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万方医学
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