2hff: Difference between revisions

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[[Image:2hff.png|left|200px]]


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==Crystal structure of CB2 Fab==
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<StructureSection load='2hff' size='340' side='right'caption='[[2hff]], [[Resolution|resolution]] 1.95&Aring;' scene=''>
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== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[2hff]] is a 4 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=2HFF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2HFF 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]] 1.95&#8491;</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=2hff FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2hff OCA], [https://pdbe.org/2hff PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2hff RCSB], [https://www.ebi.ac.uk/pdbsum/2hff PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2hff ProSAT]</span></td></tr>
{{STRUCTURE_2hff|  PDB=2hff  |  SCENE=  }}
</table>
== 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/hf/2hff_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=2hff ConSurf].
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== Publication Abstract from PubMed ==
BR3, which is expressed on all mature B cells, is a specific receptor for the B-cell survival and maturation factor BAFF (B-cell-activating factor belonging to the tumor necrosis factor [TNF] family). In order to investigate the consequences of targeting BR3 in murine models and to assess the potential of BR3 antibodies as human therapeutics, synthetic antibody phage libraries were employed to identify BAFF-blocking antibodies cross-reactive to murine and human BR3, which share 52% identity in their extracellular domains. We found an antibody, CB1, which exhibits muM affinity for murine BR3 and very weak affinity for the human receptor. CB3s, an affinity-matured variant of CB1, has sub-nM affinity for BR3 from both species. Alanine scanning and crystallographic structural analysis of the CB3s/BR3 complex reveal that CB3s mimics BAFF by interacting with a similar region of the BR3 surface. Despite this similarity in binding epitopes, CB1 variants antagonize BAFF-dependent human B-cell proliferation in vitro and are effective at reducing murine B-cell populations in vivo, showing significant promise as therapeutics for human B-cell-mediated diseases.


===Crystal structure of CB2 Fab===
Synthetic anti-BR3 antibodies that mimic BAFF binding and target both human and murine B cells.,Lee CV, Hymowitz SG, Wallweber HJ, Gordon NC, Billeci KL, Tsai SP, Compaan DM, Yin J, Gong Q, Kelley RF, DeForge LE, Martin F, Starovasnik MA, Fuh G Blood. 2006 Nov 1;108(9):3103-11. Epub 2006 Jul 13. PMID:16840730<ref>PMID:16840730</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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==See Also==
The line below this paragraph, {{ABSTRACT_PUBMED_16840730}}, adds the Publication Abstract to the page
*[[Antibody 3D structures|Antibody 3D structures]]
(as it appears on PubMed at http://www.pubmed.gov), where 16840730 is the PubMed ID number.
*[[Sandbox 20009|Sandbox 20009]]
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*[[3D structures of human antibody|3D structures of human antibody]]
{{ABSTRACT_PUBMED_16840730}}
== References ==
 
<references/>
==About this Structure==
__TOC__
2HFF is a 4 chains 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=2HFF OCA].
</StructureSection>
 
==Reference==
<ref group="xtra">PMID:16840730</ref><references group="xtra"/>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Hymowitz, S G.]]
[[Category: Large Structures]]
[[Category: Combinatorial selection]]
[[Category: Hymowitz SG]]
[[Category: Fab fragment]]
[[Category: Phage library]]
 
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