1kbg

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[[Image:1kbg.jpg|left|200px]]
[[Image:1kbg.jpg|left|200px]]
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{{Structure
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The line below this paragraph, containing "STRUCTURE_1kbg", creates the "Structure Box" on the page.
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|LIGAND= <scene name='pdbligand=ESC:2-AMINO-4-ETHYL+SULFANYL+BUTYRIC+ACID'>ESC</scene>, <scene name='pdbligand=FUC:ALPHA-L-FUCOSE'>FUC</scene>, <scene name='pdbligand=GAL:BETA-D-GALACTOSE'>GAL</scene>, <scene name='pdbligand=GLA:ALPHA+D-GALACTOSE'>GLA</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>
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{{STRUCTURE_1kbg| PDB=1kbg | SCENE= }}
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1kbg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1kbg OCA], [http://www.ebi.ac.uk/pdbsum/1kbg PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1kbg RCSB]</span>
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'''MHC CLASS I H-2KB PRESENTED GLYCOPEPTIDE RGY8-6H-GAL2'''
'''MHC CLASS I H-2KB PRESENTED GLYCOPEPTIDE RGY8-6H-GAL2'''
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[[Category: Speir, J A.]]
[[Category: Speir, J A.]]
[[Category: Wilson, I A.]]
[[Category: Wilson, I A.]]
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[[Category: antigen presentation]]
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[[Category: Antigen presentation]]
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[[Category: cell surface receptor]]
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[[Category: Cell surface receptor]]
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[[Category: cellular immunity]]
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[[Category: Cellular immunity]]
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[[Category: glycopeptide]]
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[[Category: Glycopeptide]]
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[[Category: immunology]]
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[[Category: Immunology]]
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[[Category: major histocompatibility complex]]
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[[Category: Major histocompatibility complex]]
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[[Category: mhc]]
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[[Category: Mhc]]
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[[Category: synthetic peptide]]
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[[Category: Synthetic peptide]]
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[[Category: vaccine]]
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[[Category: Vaccine]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 22:32:20 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 21:46:07 2008''
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Revision as of 19:32, 2 May 2008

Template:STRUCTURE 1kbg

MHC CLASS I H-2KB PRESENTED GLYCOPEPTIDE RGY8-6H-GAL2


Overview

T cell receptor (TCR) recognition of nonpeptidic and modified peptide antigens has been recently uncovered but is still poorly understood. Immunization with an H-2Kb-restricted glycopeptide RGY8-6H-Gal2 generates a population of cytotoxic T cells that express both alpha/beta TCR, specific for glycopeptide, and gamma/delta TCR, specific for the disaccharide, even on glycolipids. The crystal structure of Kb/RGY8-6H-Gal2 now demonstrates that the peptide and H-2Kb structures are unaffected by the peptide glycosylation, but the central region of the putative TCR binding site is dominated by the extensive exposure of the tethered carbohydrate. These features of the Kb/RGY8-6H-Gal2 structure are consistent with the individual ligand binding preferences identified for the alpha/beta and gamma/delta TCRs and thus explain the generation of a carbohydrate-specific T cell response.

About this Structure

1KBG is a Protein complex structure of sequences from Mus musculus. Full crystallographic information is available from OCA.

Reference

Crystal structure of an MHC class I presented glycopeptide that generates carbohydrate-specific CTL., Speir JA, Abdel-Motal UM, Jondal M, Wilson IA, Immunity. 1999 Jan;10(1):51-61. PMID:10023770 Page seeded by OCA on Fri May 2 22:32:20 2008

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