1ucb

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(New page: 200px<br /> <applet load="1ucb" size="450" color="white" frame="true" align="right" spinBox="true" caption="1ucb, resolution 2.5&Aring;" /> '''STRUCTURE OF UNCOMPL...)
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[[Image:1ucb.gif|left|200px]]<br />
 
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<applet load="1ucb" size="450" color="white" frame="true" align="right" spinBox="true"
 
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caption="1ucb, resolution 2.5&Aring;" />
 
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'''STRUCTURE OF UNCOMPLEXED FAB COMPARED TO COMPLEX (1CLY, 1CLZ)'''<br />
 
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==Overview==
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==STRUCTURE OF UNCOMPLEXED FAB COMPARED TO COMPLEX (1CLY, 1CLZ)==
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The X-ray structure of the uncomplexed human chimeric Fab' of the, anti-tumor antibody BR96 has been determined at 2.6 A resolution. The, structure has been compared with Lewis Y antigen-complexed structures of, BR96 which were determined previously. The comparison reveals segmental, motions and/or conformational rearrangements of three CDR loops (L1, L3, and H2), whereas CDR H3 does not undergo changes upon complexation despite, its significant main-chain contacts to the carbohydrate antigen. In light, of the uncomplexed chimeric Fab' structure reported here, the previously, observed high mobility of the CL:CH1 domains of the complexed chimeric, BR96 Fab is rationalized as a "swinging" motion approximately about the, axis of the elbow bend.
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<StructureSection load='1ucb' size='340' side='right'caption='[[1ucb]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1ucb]] 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=1UCB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1UCB FirstGlance]. <br>
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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]] 2.5&#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=SO4:SULFATE+ION'>SO4</scene></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=1ucb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ucb OCA], [https://pdbe.org/1ucb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ucb RCSB], [https://www.ebi.ac.uk/pdbsum/1ucb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ucb ProSAT]</span></td></tr>
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</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/IGKC_HUMAN IGKC_HUMAN] Defects in IGKC are the cause of immunoglobulin kappa light chain deficiency (IGKCD) [MIM:[https://omim.org/entry/614102 614102]. IGKCD is a disease characterized by the complete absence of immunoglobulin kappa chains.<ref>PMID:3931219</ref>
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== Function ==
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[https://www.uniprot.org/uniprot/IGKC_HUMAN IGKC_HUMAN]
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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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/uc/1ucb_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=1ucb ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The X-ray structure of the uncomplexed human chimeric Fab' of the anti-tumor antibody BR96 has been determined at 2.6 A resolution. The structure has been compared with Lewis Y antigen-complexed structures of BR96 which were determined previously. The comparison reveals segmental motions and/or conformational rearrangements of three CDR loops (L1, L3, and H2), whereas CDR H3 does not undergo changes upon complexation despite its significant main-chain contacts to the carbohydrate antigen. In light of the uncomplexed chimeric Fab' structure reported here, the previously observed high mobility of the CL:CH1 domains of the complexed chimeric BR96 Fab is rationalized as a "swinging" motion approximately about the axis of the elbow bend.
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==Disease==
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X-ray structure of the uncomplexed anti-tumor antibody BR96 and comparison with its antigen-bound form.,Sheriff S, Chang CY, Jeffrey PD, Bajorath J J Mol Biol. 1996 Jun 28;259(5):938-46. PMID:8683596<ref>PMID:8683596</ref>
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Known disease associated with this structure: Kappa light chain deficiency OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=147200 147200]]
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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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1UCB is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] with SO4 as [http://en.wikipedia.org/wiki/ligand ligand]. Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1UCB OCA].
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</div>
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<div class="pdbe-citations 1ucb" style="background-color:#fffaf0;"></div>
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==Reference==
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==See Also==
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X-ray structure of the uncomplexed anti-tumor antibody BR96 and comparison with its antigen-bound form., Sheriff S, Chang CY, Jeffrey PD, Bajorath J, J Mol Biol. 1996 Jun 28;259(5):938-46. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=8683596 8683596]
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*[[Antibody 3D structures|Antibody 3D structures]]
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*[[Sandbox 20009|Sandbox 20009]]
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*[[3D structures of non-human antibody|3D structures of non-human antibody]]
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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: Bajorath, J.]]
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[[Category: Bajorath J]]
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[[Category: Sheriff, S.]]
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[[Category: Sheriff S]]
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[[Category: SO4]]
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[[Category: anti-tumor]]
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[[Category: antibody]]
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[[Category: chimera]]
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[[Category: fab]]
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[[Category: immunoglobulin]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Mon Nov 12 19:33:14 2007''
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STRUCTURE OF UNCOMPLEXED FAB COMPARED TO COMPLEX (1CLY, 1CLZ)

PDB ID 1ucb

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