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[[Image:1hoc.gif|left|200px]]


{{Structure
==THE THREE-DIMENSIONAL STRUCTURE OF H-2DB AT 2.4 ANGSTROMS RESOLUTION: IMPLICATIONS FOR ANTIGEN-DETERMINANT SELECTION==
|PDB= 1hoc |SIZE=350|CAPTION= <scene name='initialview01'>1hoc</scene>, resolution 2.4&Aring;
<StructureSection load='1hoc' size='340' side='right'caption='[[1hoc]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
|SITE=  
== Structural highlights ==
|LIGAND=  
<table><tr><td colspan='2'>[[1hoc]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Influenza_A_virus_(A/swine/Hong_Kong/126/1982(H3N2)) Influenza A virus (A/swine/Hong Kong/126/1982(H3N2))] and [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HOC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1HOC FirstGlance]. <br>
|ACTIVITY=  
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.4&#8491;</td></tr>
|GENE=  
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1hoc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hoc OCA], [https://pdbe.org/1hoc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1hoc RCSB], [https://www.ebi.ac.uk/pdbsum/1hoc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1hoc ProSAT]</span></td></tr>
|DOMAIN=
</table>
|RELATEDENTRY=
== Function ==
|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1hoc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hoc OCA], [http://www.ebi.ac.uk/pdbsum/1hoc PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1hoc RCSB]</span>
[https://www.uniprot.org/uniprot/HA11_MOUSE HA11_MOUSE] Involved in the presentation of foreign antigens to the immune system.
}}
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ho/1hoc_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1hoc ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Solution at 2.4 A resolution of the structure of H-2Db with the influenza virus peptide NP366-374 (ASNEN-METM) and comparison with the H-2Kb-VSV (RGY-VYQGL) structure allow description of the molecular details of MHC class I peptide binding interactions for mice of the H-2b haplotype, revealing a strategy that maximizes the repertoire of peptides than can be presented. The H-2Db cleft has a mouse-specific hydrophobic ridge that causes a compensatory arch in the backbone of the peptide, exposing the arch residues to TCR contact and requiring the peptide to be at least 9 residues. This ridge occurs in about 40% of the known murine D and L allelic molecules, classifying them as a structural subgroup.


'''THE THREE-DIMENSIONAL STRUCTURE OF H-2DB AT 2.4 ANGSTROMS RESOLUTION: IMPLICATIONS FOR ANTIGEN-DETERMINANT SELECTION'''
The three-dimensional structure of H-2Db at 2.4 A resolution: implications for antigen-determinant selection.,Young AC, Zhang W, Sacchettini JC, Nathenson SG Cell. 1994 Jan 14;76(1):39-50. PMID:7506996<ref>PMID:7506996</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1hoc" style="background-color:#fffaf0;"></div>


==Overview==
==See Also==
Solution at 2.4 A resolution of the structure of H-2Db with the influenza virus peptide NP366-374 (ASNEN-METM) and comparison with the H-2Kb-VSV (RGY-VYQGL) structure allow description of the molecular details of MHC class I peptide binding interactions for mice of the H-2b haplotype, revealing a strategy that maximizes the repertoire of peptides than can be presented. The H-2Db cleft has a mouse-specific hydrophobic ridge that causes a compensatory arch in the backbone of the peptide, exposing the arch residues to TCR contact and requiring the peptide to be at least 9 residues. This ridge occurs in about 40% of the known murine D and L allelic molecules, classifying them as a structural subgroup.
*[[Beta-2 microglobulin 3D structures|Beta-2 microglobulin 3D structures]]
 
*[[MHC 3D structures|MHC 3D structures]]
==About this Structure==
*[[MHC I 3D structures|MHC I 3D structures]]
1HOC is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Influenza_a_virus Influenza a virus] and [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HOC OCA].
== References ==
 
<references/>
==Reference==
__TOC__
The three-dimensional structure of H-2Db at 2.4 A resolution: implications for antigen-determinant selection., Young AC, Zhang W, Sacchettini JC, Nathenson SG, Cell. 1994 Jan 14;76(1):39-50. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/7506996 7506996]
</StructureSection>
[[Category: Influenza a virus]]
[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
[[Category: Protein complex]]
[[Category: Sacchettini JC]]
[[Category: Sacchettini, J C.]]
[[Category: Young ACM]]
[[Category: Young, A C.M.]]
[[Category: Zhang W]]
[[Category: Zhang, W.]]
[[Category: histocompatibility antigen]]
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 21:08:18 2008''

Latest revision as of 07:26, 23 October 2024

THE THREE-DIMENSIONAL STRUCTURE OF H-2DB AT 2.4 ANGSTROMS RESOLUTION: IMPLICATIONS FOR ANTIGEN-DETERMINANT SELECTION

1hoc, resolution 2.40Å

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