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Int J Mol Med. 2001 Nov;8(5):475-9.

The current status of structural studies on proteins of the myelin sheath (Review).

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  • 1Department of Biochemistry and Biocenter Oulu, University of Oulu, FIN-90014 Oulu, Finland.


Myelin, the multilayered membrane structure surrounding axons, provides a unique environment to its proteins, which are either transmembrane proteins or interacting intimately with the membrane surface. Although myelin-specific proteins have been studied for decades, remarkably little is known of their three-dimensional structures. In addition, the exact functions of myelin proteins are to a large extent unknown. In this report, our current knowledge of peripheral nervous system myelin protein structures is reviewed, and the current status of attempts to solve the structures of full-length myelin proteins is evaluated. Furthermore, molecular models for the extracellular domain of the myelin-associated glycoprotein and the putative kinase-like domain of 2',3'-cyclic nucleotide 3'-phosphodiesterase are presented and discussed.

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