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Biochim Biophys Acta. 2007 Sep;1774(9):1069-78. Epub 2007 Jul 24.

Structural similarities and functional diversity of eukaryotic discoidin-like domains.

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Faculty of Biotechnology, University of Wroclaw, Str. Tamka2, 50-137 Wroclaw, Poland.


The discoidin domain is a approximately 150 amino acid motif common in both eukaryotic and prokaryotic proteins. It is found in a variety of extracellular, intracellular and transmembrane multidomain proteins characterized by a considerable functional diversity, mostly involved in developmental processes. The biological role of the domain depends on its interactions with different molecules, including growth factors, phospholipids and lipids, galactose or its derivatives, and collagen. The conservation of the motif, as well as the serious physiological consequences of discoidin domain disorders underscore the importance of the fold, while the ability to accommodate such an extraordinarily broad range of ligand molecules makes it a fascinating research target. In present review we characterize the distinctive features of discoidin domains and briefly outline the biological role of this module in various eukaryotic proteins.

[Indexed for MEDLINE]

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