2gk2

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[[Image:2gk2.png|left|200px]]
 
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==Crystal structure of the N terminal domain of human CEACAM1==
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The line below this paragraph, containing "STRUCTURE_2gk2", creates the "Structure Box" on the page.
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<StructureSection load='2gk2' size='340' side='right'caption='[[2gk2]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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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'>[[2gk2]] 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=2GK2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2GK2 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]] 2.2&#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=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</scene></td></tr>
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{{STRUCTURE_2gk2| PDB=2gk2 | 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=2gk2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2gk2 OCA], [https://pdbe.org/2gk2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2gk2 RCSB], [https://www.ebi.ac.uk/pdbsum/2gk2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2gk2 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CEAM1_HUMAN CEAM1_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/gk/2gk2_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.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=2gk2 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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CEACAM1 is a cellular adhesion molecule whose protein expression is down-regulated in several carcinomas and which also contributes to the pathogenicity of Neisseria by acting as a receptor for Opa proteins. The crystal structure of the N-terminal (D1) domain of human CEACAM1 has been determined at 2.2 Angstrom resolution. The structure shows several differences compared with a lower resolution model of the same domain from mouse solved previously, especially in the functional regions. Mapping of the sites of mutations that lower or abolish the binding of CEACAM1 to Opa proteins shows a distinct clustering of residues on the GFCC'C'' face of the molecule. Prominent amongst these are residues in the C, C' and F strands and the CC' loop. A similar analysis shows that the region responsible for homophilic or heterophilic interactions of CEACAM1 is also on the GFCC'C'' face and overlaps partially with the Opa-binding region. This higher resolution structure of CEACAM1 will facilitate a more precise dissection of its functional regions in the context of neisserial pathogenesis, cellular adhesion and immune evasion.
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===Crystal structure of the N terminal domain of human CEACAM1===
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Structure of the N-terminal domain of human CEACAM1: binding target of the opacity proteins during invasion of Neisseria meningitidis and N. gonorrhoeae.,Fedarovich A, Tomberg J, Nicholas RA, Davies C Acta Crystallogr D Biol Crystallogr. 2006 Sep;62(Pt 9):971-9. Epub 2006, Aug 19. PMID:16929097<ref>PMID:16929097</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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The line below this paragraph, {{ABSTRACT_PUBMED_16929097}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 2gk2" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 16929097 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_16929097}}
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__TOC__
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</StructureSection>
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==About this Structure==
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2GK2 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=2GK2 OCA].
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==Reference==
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Structure of the N-terminal domain of human CEACAM1: binding target of the opacity proteins during invasion of Neisseria meningitidis and N. gonorrhoeae., Fedarovich A, Tomberg J, Nicholas RA, Davies C, Acta Crystallogr D Biol Crystallogr. 2006 Sep;62(Pt 9):971-9. Epub 2006, Aug 19. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16929097 16929097]
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[[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: Davies, C.]]
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[[Category: Davies C]]
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[[Category: Fedarovich, A.]]
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[[Category: Fedarovich A]]
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[[Category: Nicholas, R A.]]
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[[Category: Nicholas RA]]
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[[Category: Tomberg, J.]]
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[[Category: Tomberg J]]
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[[Category: Adhesion protein]]
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[[Category: Immunoglobulin domain]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 16:51:14 2008''
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Current revision

Crystal structure of the N terminal domain of human CEACAM1

PDB ID 2gk2

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