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1h15

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{{STRUCTURE_1h15| PDB=1h15 | SCENE= }}
{{STRUCTURE_1h15| PDB=1h15 | SCENE= }}
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'''X-RAY CRYSTAL STRUCTURE OF HLA-DRA1*0101/DRB5*0101 COMPLEXED WITH A PEPTIDE FROM EPSTEIN BARR VIRUS DNA POLYMERASE'''
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===X-RAY CRYSTAL STRUCTURE OF HLA-DRA1*0101/DRB5*0101 COMPLEXED WITH A PEPTIDE FROM EPSTEIN BARR VIRUS DNA POLYMERASE===
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==Overview==
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The multiple sclerosis (MS)-associated HLA major histocompatibility complex (MHC) class II alleles DRB1*1501, DRB5*0101 and DQB1*0602 are in strong linkage disequilibrium, making it difficult to determine which is the principal MS risk gene. Here we show that together the DRB1 and DRB5 loci may influence susceptibility to MS. We demonstrate that a T cell receptor (TCR) from an MS patient recognized both a DRB1*1501-restricted myelin basic protein (MBP) and DRB5*0101-restricted Epstein-Barr virus (EBV) peptide. Crystal structure determination of the DRB5*0101-EBV peptide complex revealed a marked degree of structural equivalence to the DRB1*1501-MBP peptide complex at the surface presented for TCR recognition. This provides structural evidence for molecular mimicry involving HLA molecules. The structural details suggest an explanation for the preponderance of MHC class II associations in HLA-associated diseases.
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(as it appears on PubMed at http://www.pubmed.gov), where 12244309 is the PubMed ID number.
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{{ABSTRACT_PUBMED_12244309}}
==About this Structure==
==About this Structure==
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[[Category: Mhc]]
[[Category: Mhc]]
[[Category: Peptide]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 18:17:10 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 06:26:52 2008''

Revision as of 03:26, 1 July 2008

Image:1h15.png

Template:STRUCTURE 1h15

X-RAY CRYSTAL STRUCTURE OF HLA-DRA1*0101/DRB5*0101 COMPLEXED WITH A PEPTIDE FROM EPSTEIN BARR VIRUS DNA POLYMERASE

Template:ABSTRACT PUBMED 12244309

About this Structure

1H15 is a Protein complex structure of sequences from Homo sapiens. Full crystallographic information is available from OCA.

Reference

A functional and structural basis for TCR cross-reactivity in multiple sclerosis., Lang HL, Jacobsen H, Ikemizu S, Andersson C, Harlos K, Madsen L, Hjorth P, Sondergaard L, Svejgaard A, Wucherpfennig K, Stuart DI, Bell JI, Jones EY, Fugger L, Nat Immunol. 2002 Oct;3(10):940-3. Epub 2002 Sep 3. PMID:12244309

Page seeded by OCA on Tue Jul 1 06:26:52 2008

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