1ek3

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{{Seed}}
 
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[[Image:1ek3.png|left|200px]]
 
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==KAPPA-4 IMMUNOGLOBULIN VL, REC==
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The line below this paragraph, containing "STRUCTURE_1ek3", creates the "Structure Box" on the page.
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<StructureSection load='1ek3' size='340' side='right'caption='[[1ek3]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1ek3]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1EK3 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1EK3 FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 1.9&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene></td></tr>
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{{STRUCTURE_1ek3| PDB=1ek3 | SCENE= }}
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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=1ek3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ek3 OCA], [https://pdbe.org/1ek3 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ek3 RCSB], [https://www.ebi.ac.uk/pdbsum/1ek3 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ek3 ProSAT]</span></td></tr>
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</table>
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===KAPPA-4 IMMUNOGLOBULIN VL, REC===
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== Function ==
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[https://www.uniprot.org/uniprot/KV401_HUMAN KV401_HUMAN] V segment of the variable domain of immunoglobulins light chain that participates in the antigen recognition (PubMed:24600447). Immunoglobulins, also known as antibodies, are membrane-bound or secreted glycoproteins produced by B lymphocytes. In the recognition phase of humoral immunity, the membrane-bound immunoglobulins serve as receptors which, upon binding of a specific antigen, trigger the clonal expansion and differentiation of B lymphocytes into immunoglobulins-secreting plasma cells. Secreted immunoglobulins mediate the effector phase of humoral immunity, which results in the elimination of bound antigens (PubMed:20176268, PubMed:22158414). The antigen binding site is formed by the variable domain of one heavy chain, together with that of its associated light chain. Thus, each immunoglobulin has two antigen binding sites with remarkable affinity for a particular antigen. The variable domains are assembled by a process called V-(D)-J rearrangement and can then be subjected to somatic hypermutations which, after exposure to antigen and selection, allow affinity maturation for a particular antigen (PubMed:17576170, PubMed:20176268).<ref>PMID:17576170</ref> <ref>PMID:20176268</ref> <ref>PMID:22158414</ref> <ref>PMID:24600447</ref>
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== Evolutionary Conservation ==
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==About this Structure==
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[[Image:Consurf_key_small.gif|200px|right]]
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1EK3 is a [[Single protein]] structure of sequence 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=1EK3 OCA].
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ek/1ek3_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</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/main_output.php?pdb_ID=1ek3 ConSurf].
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<div style="clear:both"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Huang, D B.]]
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[[Category: Huang D-B]]
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[[Category: Pokkuluri, P R.]]
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[[Category: Pokkuluri PR]]
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[[Category: Raffen, R.]]
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[[Category: Raffen R]]
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[[Category: Schiffer, M.]]
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[[Category: Schiffer M]]
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[[Category: Stevens, F J.]]
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[[Category: Stevens FJ]]
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[[Category: Amyloid protein]]
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[[Category: Flipped-dimer]]
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[[Category: Human immunoglobulin light chain vl]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 00:52:33 2008''
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Current revision

KAPPA-4 IMMUNOGLOBULIN VL, REC

PDB ID 1ek3

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