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4bxm

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<StructureSection load='4bxm' size='340' side='right'caption='[[4bxm]], [[Resolution|resolution]] 2.15&Aring;' scene=''>
<StructureSection load='4bxm' size='340' side='right'caption='[[4bxm]], [[Resolution|resolution]] 2.15&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4bxm]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Borbu Borbu]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4BXM OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4BXM FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4bxm]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Borreliella_burgdorferi_B31 Borreliella burgdorferi B31]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4BXM OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4BXM FirstGlance]. <br>
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</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4bxm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4bxm OCA], [http://pdbe.org/4bxm PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4bxm RCSB], [http://www.ebi.ac.uk/pdbsum/4bxm PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4bxm ProSAT]</span></td></tr>
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</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4bxm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4bxm OCA], [https://pdbe.org/4bxm PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4bxm RCSB], [https://www.ebi.ac.uk/pdbsum/4bxm PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4bxm ProSAT]</span></td></tr>
</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[[https://www.uniprot.org/uniprot/Q44790_BORBG Q44790_BORBG]]
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Borrelia burgdorferi is the causative agent of Lyme disease, which can be acquired after the bite of an infected Ixodes tick. As a strategy to resist the innate immunity and to successfully spread and proliferate, B. burgdorferi expresses a set of outer membrane proteins that are capable of binding complement regulator factor H (CFH), factor H-like protein 1 (CFHL-1) and factor H-related proteins (CFHR) to avoid complement-mediated killing. B. burgdorferi B31 contains three proteins that belong to the Erp (OspE/F-related) protein family and are capable of binding CFH and some CFHRs, namely ErpA, ErpC and ErpP. We have determined the crystal structure of ErpP at 2.53A resolution and the crystal structure of ErpC at 2.15A resolution. Recently, the crystal structure of the Erp family member OspE from B. burgdorferi N40 was determined in complex with CFH domains 19-20, revealing the residues involved in the complex formation. Despite the high sequence conservation between ErpA, ErpC, ErpP and the homologous protein OspE (78-80%), the affinity for CFH and CFHRs differs markedly among the Erp family members, suggesting that ErpC may bind only CFHRs but not CFH. A comparison of the binding site in OspE with those of ErpC and ErpP revealed that the extended loop region, which is only observed in the potential binding site of ErpC, plays an important role by preventing the binding of CFH. These results can explain the inability of ErpC to bind CFH, whereas ErpP and ErpA still possess the ability to bind CFH.
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Crystal structures of the Erp protein family members ErpP and ErpC from Borrelia burgdorferi reveal the reason for different affinities for complement regulator factor H.,Brangulis K, Petrovskis I, Kazaks A, Akopjana I, Tars K Biochim Biophys Acta. 2015 Jan 9. pii: S1570-9639(15)00008-4. doi:, 10.1016/j.bbapap.2014.12.025. PMID:25582082<ref>PMID:25582082</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 4bxm" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
*[[Complement Regulator-Acquiring Surface Protein|Complement Regulator-Acquiring Surface Protein]]
*[[Complement Regulator-Acquiring Surface Protein|Complement Regulator-Acquiring Surface Protein]]
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== References ==
 
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<references/>
 
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Borbu]]
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[[Category: Borreliella burgdorferi B31]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Brangulis, K]]
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[[Category: Brangulis K]]
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[[Category: Kazaks, A]]
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[[Category: Kazaks A]]
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[[Category: Petrovskis, I]]
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[[Category: Petrovskis I]]
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[[Category: Ranka, R]]
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[[Category: Ranka R]]
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[[Category: Tars, K]]
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[[Category: Tars K]]
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[[Category: Cell adhesion]]
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[[Category: Complement factor]]
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[[Category: Lipoprotein]]
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[[Category: Lyme disease]]
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[[Category: Outer surface lipoprotein]]
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Revision as of 17:15, 7 September 2022

Complement regulator acquiring outer surface protein BbCRASP-4 or ErpC from Borrelia burgdorferi

PDB ID 4bxm

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