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1zt4

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[[Image:1zt4.gif|left|200px]]<br /><applet load="1zt4" size="350" color="white" frame="true" align="right" spinBox="true"
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[[Image:1zt4.gif|left|200px]]
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caption="1zt4, resolution 3.000&Aring;" />
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'''The crystal structure of human CD1d with and without alpha-Galactosylceramide'''<br />
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{{Structure
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|PDB= 1zt4 |SIZE=350|CAPTION= <scene name='initialview01'>1zt4</scene>, resolution 3.000&Aring;
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|SITE=
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|LIGAND= <scene name='pdbligand=AGH:N-{(1S,2R,3S)-1-[(ALPHA-D-GALACTOPYRANOSYLOXY)METHYL]-2,3-DIHYDROXYHEPTADECYL}HEXACOSANAMIDE'>AGH</scene>
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|ACTIVITY=
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|GENE= CD1D ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]), B2M ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])
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}}
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'''The crystal structure of human CD1d with and without alpha-Galactosylceramide'''
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==Overview==
==Overview==
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==About this Structure==
==About this Structure==
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1ZT4 is a [http://en.wikipedia.org/wiki/Protein_complex Protein complex] structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] with <scene name='pdbligand=AGH:'>AGH</scene> as [http://en.wikipedia.org/wiki/ligand ligand]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZT4 OCA].
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1ZT4 is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZT4 OCA].
==Reference==
==Reference==
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The crystal structure of human CD1d with and without alpha-galactosylceramide., Koch M, Stronge VS, Shepherd D, Gadola SD, Mathew B, Ritter G, Fersht AR, Besra GS, Schmidt RR, Jones EY, Cerundolo V, Nat Immunol. 2005 Aug;6(8):819-26. Epub 2005 Jul 10. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=16007090 16007090]
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The crystal structure of human CD1d with and without alpha-galactosylceramide., Koch M, Stronge VS, Shepherd D, Gadola SD, Mathew B, Ritter G, Fersht AR, Besra GS, Schmidt RR, Jones EY, Cerundolo V, Nat Immunol. 2005 Aug;6(8):819-26. Epub 2005 Jul 10. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16007090 16007090]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Protein complex]]
[[Category: Protein complex]]
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[[Category: mhc class i]]
[[Category: mhc class i]]
[[Category: spine]]
[[Category: spine]]
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[[Category: structural genomics]]
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[[Category: structural genomic]]
[[Category: structural proteomics in europe]]
[[Category: structural proteomics in europe]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 16:18:51 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 15:39:31 2008''

Revision as of 13:39, 20 March 2008

Image:1zt4.gif


PDB ID 1zt4

Drag the structure with the mouse to rotate
, resolution 3.000Å
Ligands:
Gene: CD1D (Homo sapiens), B2M (Homo sapiens)
Coordinates: save as pdb, mmCIF, xml



The crystal structure of human CD1d with and without alpha-Galactosylceramide


Contents

Overview

The glycolipid alpha-galactosylceramide binds with high affinity to CD1d and stimulates natural killer T cells. Here we report the crystal structure of human CD1d in complex with synthetic alpha-galactosylceramide at a resolution of 3.0 A. The structure shows a tightly fit lipid in the CD1d binding groove, with the sphingosine chain bound in the C' pocket and the longer acyl chain anchored in the A' pocket. We also present the CD1d structure without lipid, which has a more open conformation of the binding groove, suggesting a dual conformation of CD1d in which the 'open' conformation is more able to load lipids. These structures provide clues as to how CD1 molecules load glycolipids as well as data to guide the design of new therapeutic agents.

Disease

Known disease associated with this structure: Hypoproteinemia, hypercatabolic OMIM:[109700]

About this Structure

1ZT4 is a Protein complex structure of sequences from Homo sapiens. Full crystallographic information is available from OCA.

Reference

The crystal structure of human CD1d with and without alpha-galactosylceramide., Koch M, Stronge VS, Shepherd D, Gadola SD, Mathew B, Ritter G, Fersht AR, Besra GS, Schmidt RR, Jones EY, Cerundolo V, Nat Immunol. 2005 Aug;6(8):819-26. Epub 2005 Jul 10. PMID:16007090

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