1py9

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{{STRUCTURE_1py9| PDB=1py9 | SCENE= }}
{{STRUCTURE_1py9| PDB=1py9 | SCENE= }}
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'''The crystal structure of an autoantigen in multiple sclerosis'''
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===The crystal structure of an autoantigen in multiple sclerosis===
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==Overview==
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Myelin oligodendrocyte glycoprotein (MOG) is a key CNS-specific autoantigen for primary demyelination in multiple sclerosis. Although the disease-inducing role of MOG has been established, its precise function in the CNS remains obscure. To gain new insights into the physiological and immunopathological role of MOG, we determined the 1.8-A crystal structure of the MOG extracellular domain (MOGED). MOGED adopts a classical Ig (Ig variable domain) fold that was observed to form an antiparallel head-to-tail dimer. A dimeric form of native MOG was observed, and MOGED was also shown to dimerize in solution, consistent with the view of MOG acting as a homophilic adhesion receptor. The MOG35-55 peptide, a major encephalitogenic determinant recognized by both T cells and demyelinating autoantibodies, is partly occluded within the dimer interface. The structure of this key autoantigen suggests a relationship between the dimeric form of MOG within the myelin sheath and a breakdown of immunological tolerance to MOG that is observed in multiple sclerosis.
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The line below this paragraph, {{ABSTRACT_PUBMED_12960396}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 12960396 is the PubMed ID number.
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{{ABSTRACT_PUBMED_12960396}}
==About this Structure==
==About this Structure==
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[[Category: Myelin sheath]]
[[Category: Myelin sheath]]
[[Category: Receptor]]
[[Category: Receptor]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 05:38:10 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 03:51:42 2008''

Revision as of 00:51, 29 July 2008

Image:1py9.png

Template:STRUCTURE 1py9

The crystal structure of an autoantigen in multiple sclerosis

Template:ABSTRACT PUBMED 12960396

About this Structure

1PY9 is a Single protein structure of sequence from Mus musculus. Full crystallographic information is available from OCA.

Reference

The crystal structure of myelin oligodendrocyte glycoprotein, a key autoantigen in multiple sclerosis., Clements CS, Reid HH, Beddoe T, Tynan FE, Perugini MA, Johns TG, Bernard CC, Rossjohn J, Proc Natl Acad Sci U S A. 2003 Sep 16;100(19):11059-64. Epub 2003 Sep 5. PMID:12960396

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