1h2p

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[[Image:1h2p.png|left|200px]]
 
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==Human CD55 domains 3 & 4==
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The line below this paragraph, containing "STRUCTURE_1h2p", creates the "Structure Box" on the page.
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<StructureSection load='1h2p' size='340' side='right'caption='[[1h2p]], [[Resolution|resolution]] 2.80&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'>[[1h2p]] is a 1 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=1H2P OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1H2P 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]] 2.8&#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=1h2p FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1h2p OCA], [https://pdbe.org/1h2p PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1h2p RCSB], [https://www.ebi.ac.uk/pdbsum/1h2p PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1h2p ProSAT]</span></td></tr>
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{{STRUCTURE_1h2p| PDB=1h2p | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/DAF_HUMAN DAF_HUMAN] This protein recognizes C4b and C3b fragments that condense with cell-surface hydroxyl or amino groups when nascent C4b and C3b are locally generated during C4 and c3 activation. Interaction of daf with cell-associated C4b and C3b polypeptides interferes with their ability to catalyze the conversion of C2 and factor B to enzymatically active C2a and Bb and thereby prevents the formation of C4b2a and C3bBb, the amplification convertases of the complement cascade.<ref>PMID:7525274</ref>
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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/h2/1h2p_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=1h2p 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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Decay-accelerating factor (CD55), a regulator of the alternative and classical pathways of complement activation, is expressed on all serum-exposed cells. It is used by pathogens, including many enteroviruses and uropathogenic Escherichia coli, as a receptor prior to infection. We describe the x-ray structure of a pathogen-binding fragment of human CD55 at 1.7 A resolution containing two of the three domains required for regulation of human complement. We have used mutagenesis to map biological functions onto the molecule; decay-accelerating activity maps to a single face of the molecule, whereas bacterial and viral pathogens recognize a variety of different sites on CD55.
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===HUMAN CD55 DOMAINS 3 & 4===
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Mapping CD55 function. The structure of two pathogen-binding domains at 1.7 A.,Williams P, Chaudhry Y, Goodfellow IG, Billington J, Powell R, Spiller OB, Evans DJ, Lea S J Biol Chem. 2003 Mar 21;278(12):10691-6. Epub 2002 Dec 22. PMID:12499389<ref>PMID:12499389</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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<div class="pdbe-citations 1h2p" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_12499389}}, adds the Publication Abstract to the page
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*[[CD55|CD55]]
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(as it appears on PubMed at http://www.pubmed.gov), where 12499389 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_12499389}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[1h2p]] is a 1 chain structure with 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=1H2P OCA].
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==Reference==
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<ref group="xtra">PMID:12499389</ref><ref group="xtra">PMID:10329784</ref><ref group="xtra">PMID:9804811</ref><references group="xtra"/>
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Billington, J.]]
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[[Category: Large Structures]]
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[[Category: Chaudhry, Y.]]
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[[Category: Billington J]]
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[[Category: Evans, D J.]]
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[[Category: Chaudhry Y]]
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[[Category: Goodfellow, I.]]
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[[Category: Evans DJ]]
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[[Category: Lea, S M.]]
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[[Category: Goodfellow I]]
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[[Category: Spiller, B.]]
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[[Category: Lea SM]]
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[[Category: Williams, P.]]
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[[Category: Spiller B]]
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[[Category: Alternative splicing]]
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[[Category: Williams P]]
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[[Category: Bacterial receptor]]
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[[Category: Complement decay accelerating factor]]
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[[Category: Complement pathway]]
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[[Category: Enteroviral receptor]]
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[[Category: Gpi-anchor]]
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[[Category: Immune system protein]]
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[[Category: Ligand for cd97]]
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Current revision

Human CD55 domains 3 & 4

PDB ID 1h2p

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