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1jl4

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==CRYSTAL STRUCTURE OF THE HUMAN CD4 N-TERMINAL TWO DOMAIN FRAGMENT COMPLEXED TO A CLASS II MHC MOLECULE==
==CRYSTAL STRUCTURE OF THE HUMAN CD4 N-TERMINAL TWO DOMAIN FRAGMENT COMPLEXED TO A CLASS II MHC MOLECULE==
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<StructureSection load='1jl4' size='340' side='right' caption='[[1jl4]], [[Resolution|resolution]] 4.30&Aring;' scene=''>
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<StructureSection load='1jl4' size='340' side='right'caption='[[1jl4]], [[Resolution|resolution]] 4.30&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1jl4]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus], [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] 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=1JL4 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1JL4 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1jl4]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus], [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. The March 2005 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''T-Cell Receptor'' by David S. Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2005_3 10.2210/rcsb_pdb/mom_2005_3]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1JL4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1JL4 FirstGlance]. <br>
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</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1iak|1iak]], [[3cd4|3cd4]], [[1wio|1wio]], [[1g9m|1g9m]]</td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 4.3&#8491;</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1jl4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1jl4 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1jl4 RCSB], [http://www.ebi.ac.uk/pdbsum/1jl4 PDBsum]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1jl4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1jl4 OCA], [https://pdbe.org/1jl4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1jl4 RCSB], [https://www.ebi.ac.uk/pdbsum/1jl4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1jl4 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/CD4_HUMAN CD4_HUMAN]] Accessory protein for MHC class-II antigen/T-cell receptor interaction. May regulate T-cell activation. Induces the aggregation of lipid rafts. [[http://www.uniprot.org/uniprot/TRFE_CHICK TRFE_CHICK]] Transferrins are iron binding transport proteins which can bind two Fe(3+) ions in association with the binding of an anion, usually bicarbonate. Responsible for the transport of iron from sites of absorption and heme degradation to those of storage and utilization. There are two forms of hen transferrin, ovotransferrin, found in the ovoducts and, serum transferrin, secreted by the liver. Serum transferrin may also have a role in stimulating cell proliferation and is regulated by iron levels. Ovotransferrin has a bacteriostatic function and, is not controlled by iron levels.
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[https://www.uniprot.org/uniprot/HA2K_MOUSE HA2K_MOUSE]
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
<jmolCheckbox>
<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/jl/1jl4_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/jl/1jl4_consurf.spt"</scriptWhenChecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
</jmolCheckbox>
</jmolCheckbox>
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</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/chain_selection.php?pdb_ID=2ata ConSurf].
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</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=1jl4 ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
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<div class="pdbe-citations 1jl4" style="background-color:#fffaf0;"></div>
==See Also==
==See Also==
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*[[CD4|CD4]]
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*[[CD4 3D structures|CD4 3D structures]]
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*[[Major histocompatibility complex|Major histocompatibility complex]]
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*[[MHC 3D structures|MHC 3D structures]]
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*[[MHC II 3D structures|MHC II 3D structures]]
== References ==
== References ==
<references/>
<references/>
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[[Category: Gallus gallus]]
[[Category: Gallus gallus]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Meijers, R]]
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[[Category: RCSB PDB Molecule of the Month]]
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[[Category: Reinherz, E L]]
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[[Category: T-Cell Receptor]]
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[[Category: Wang, J H]]
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[[Category: Meijers R]]
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[[Category: Immune system]]
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[[Category: Reinherz EL]]
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[[Category: Protein-protein complex]]
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[[Category: Wang J-H]]

Current revision

CRYSTAL STRUCTURE OF THE HUMAN CD4 N-TERMINAL TWO DOMAIN FRAGMENT COMPLEXED TO A CLASS II MHC MOLECULE

PDB ID 1jl4

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