1es0: Difference between revisions

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[[Image:1es0.gif|left|200px]]
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[[Image:1es0.png|left|200px]]


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{{STRUCTURE_1es0|  PDB=1es0  |  SCENE=  }}  
{{STRUCTURE_1es0|  PDB=1es0  |  SCENE=  }}  


'''CRYSTAL STRUCTURE OF THE MURINE CLASS II ALLELE I-A(G7) COMPLEXED WITH THE GLUTAMIC ACID DECARBOXYLASE (GAD65) PEPTIDE 207-220'''
===CRYSTAL STRUCTURE OF THE MURINE CLASS II ALLELE I-A(G7) COMPLEXED WITH THE GLUTAMIC ACID DECARBOXYLASE (GAD65) PEPTIDE 207-220===




==Overview==
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Susceptibility to murine and human insulin-dependent diabetes mellitus correlates strongly with major histocompatibility complex (MHC) class II I-A or HLA-DQ alleles that lack an aspartic acid at position beta57. I-Ag7 lacks this aspartate and is the only class II allele expressed by the nonobese diabetic mouse. The crystal structure of I-Ag7 was determined at 2.6 angstrom resolution as a complex with a high-affinity peptide from the autoantigen glutamic acid decarboxylase (GAD) 65. I-Ag7 has a substantially wider peptide-binding groove around beta57, which accounts for distinct peptide preferences compared with other MHC class II alleles. Loss of Asp(beta57) leads to an oxyanion hole in I-Ag7 that can be filled by peptide carboxyl residues or, perhaps, through interaction with the T cell receptor.
The line below this paragraph, {{ABSTRACT_PUBMED_10775108}}, adds the Publication Abstract to the page
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{{ABSTRACT_PUBMED_10775108}}


==About this Structure==
==About this Structure==
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[[Category: Wilson, I A.]]
[[Category: Wilson, I A.]]
[[Category: Histocompatibility antigen]]
[[Category: Histocompatibility antigen]]
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Revision as of 01:47, 1 July 2008

File:1es0.png

Template:STRUCTURE 1es0

CRYSTAL STRUCTURE OF THE MURINE CLASS II ALLELE I-A(G7) COMPLEXED WITH THE GLUTAMIC ACID DECARBOXYLASE (GAD65) PEPTIDE 207-220CRYSTAL STRUCTURE OF THE MURINE CLASS II ALLELE I-A(G7) COMPLEXED WITH THE GLUTAMIC ACID DECARBOXYLASE (GAD65) PEPTIDE 207-220

Template:ABSTRACT PUBMED 10775108

About this StructureAbout this Structure

1ES0 is a Protein complex structure of sequences from Homo sapiens and Mus musculus. Full crystallographic information is available from OCA.

ReferenceReference

A structural framework for deciphering the link between I-Ag7 and autoimmune diabetes., Corper AL, Stratmann T, Apostolopoulos V, Scott CA, Garcia KC, Kang AS, Wilson IA, Teyton L, Science. 2000 Apr 21;288(5465):505-11. PMID:10775108

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