1es0

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{{STRUCTURE_1es0| PDB=1es0 | SCENE= }}
{{STRUCTURE_1es0| PDB=1es0 | SCENE= }}
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'''CRYSTAL STRUCTURE OF THE MURINE CLASS II ALLELE I-A(G7) COMPLEXED WITH THE GLUTAMIC ACID DECARBOXYLASE (GAD65) PEPTIDE 207-220'''
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===CRYSTAL STRUCTURE OF THE MURINE CLASS II ALLELE I-A(G7) COMPLEXED WITH THE GLUTAMIC ACID DECARBOXYLASE (GAD65) PEPTIDE 207-220===
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==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.
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(as it appears on PubMed at http://www.pubmed.gov), where 10775108 is the PubMed ID number.
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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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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 15:27:06 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 01:47:00 2008''

Revision as of 22:47, 30 June 2008

Image:1es0.png

Template:STRUCTURE 1es0

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

Template:ABSTRACT PUBMED 10775108

About this Structure

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

Reference

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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