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[[Image:2ghv.gif|left|200px]]
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{{STRUCTURE_2ghv|  PDB=2ghv  |  SCENE=  }}
'''Crystal structure of SARS spike protein receptor binding domain'''


==Crystal structure of SARS spike protein receptor binding domain==
<StructureSection load='2ghv' size='340' side='right'caption='[[2ghv]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[2ghv]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Severe_acute_respiratory_syndrome-related_coronavirus Severe acute respiratory syndrome-related coronavirus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GHV OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2GHV FirstGlance]. <br>
</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>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2ghv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ghv OCA], [https://pdbe.org/2ghv PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2ghv RCSB], [https://www.ebi.ac.uk/pdbsum/2ghv PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2ghv ProSAT]</span></td></tr>
</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/gh/2ghv_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=2ghv ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Severe acute respiratory syndrome (SARS) is a newly emerged infectious disease that caused pandemic spread in 2003. The etiological agent of SARS is a novel coronavirus (SARS-CoV). The coronaviral surface spike protein S is a type I transmembrane glycoprotein that mediates initial host binding via the cell surface receptor angiotensin-converting enzyme 2 (ACE2), as well as the subsequent membrane fusion events required for cell entry. Here we report the crystal structure of the S1 receptor binding domain (RBD) in complex with a neutralizing antibody, 80R, at 2.3 A resolution, as well as the structure of the uncomplexed S1 RBD at 2.2 A resolution. We show that the 80R-binding epitope on the S1 RBD overlaps very closely with the ACE2-binding site, providing a rationale for the strong binding and broad neutralizing ability of the antibody. We provide a structural basis for the differential effects of certain mutations in the spike protein on 80R versus ACE2 binding, including escape mutants, which should facilitate the design of immunotherapeutics to treat a future SARS outbreak. We further show that the RBD of S1 forms dimers via an extensive interface that is disrupted in receptor- and antibody-bound crystal structures, and we propose a role for the dimer in virus stability and infectivity.


==Overview==
Structural basis of neutralization by a human anti-severe acute respiratory syndrome spike protein antibody, 80R.,Hwang WC, Lin Y, Santelli E, Sui J, Jaroszewski L, Stec B, Farzan M, Marasco WA, Liddington RC J Biol Chem. 2006 Nov 10;281(45):34610-6. Epub 2006 Sep 5. PMID:16954221<ref>PMID:16954221</ref>
Severe acute respiratory syndrome (SARS) is a newly emerged infectious disease that caused pandemic spread in 2003. The etiological agent of SARS is a novel coronavirus (SARS-CoV). The coronaviral surface spike protein S is a type I transmembrane glycoprotein that mediates initial host binding via the cell surface receptor angiotensin-converting enzyme 2 (ACE2), as well as the subsequent membrane fusion events required for cell entry. Here we report the crystal structure of the S1 receptor binding domain (RBD) in complex with a neutralizing antibody, 80R, at 2.3 A resolution, as well as the structure of the uncomplexed S1 RBD at 2.2 A resolution. We show that the 80R-binding epitope on the S1 RBD overlaps very closely with the ACE2-binding site, providing a rationale for the strong binding and broad neutralizing ability of the antibody. We provide a structural basis for the differential effects of certain mutations in the spike protein on 80R versus ACE2 binding, including escape mutants, which should facilitate the design of immunotherapeutics to treat a future SARS outbreak. We further show that the RBD of S1 forms dimers via an extensive interface that is disrupted in receptor- and antibody-bound crystal structures, and we propose a role for the dimer in virus stability and infectivity.


==About this Structure==
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
2GHV is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Human_sars_coronavirus Human sars coronavirus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GHV OCA].
</div>
<div class="pdbe-citations 2ghv" style="background-color:#fffaf0;"></div>


==Reference==
==See Also==
Structural basis of neutralization by a human anti-severe acute respiratory syndrome spike protein antibody, 80R., Hwang WC, Lin Y, Santelli E, Sui J, Jaroszewski L, Stec B, Farzan M, Marasco WA, Liddington RC, J Biol Chem. 2006 Nov 10;281(45):34610-6. Epub 2006 Sep 5. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16954221 16954221]
*[[Sandbox 3001|Sandbox 3001]]
[[Category: Human sars coronavirus]]
*[[Spike protein 3D structures|Spike protein 3D structures]]
[[Category: Single protein]]
== References ==
[[Category: Farzan, M.]]
<references/>
[[Category: Hwang, W C.]]
__TOC__
[[Category: Jaroszewski, L.]]
</StructureSection>
[[Category: Liddington, R C.]]
[[Category: Large Structures]]
[[Category: Lin, Y.]]
[[Category: Severe acute respiratory syndrome-related coronavirus]]
[[Category: Marasco, W A.]]
[[Category: Farzan M]]
[[Category: Santelli, E.]]
[[Category: Hwang WC]]
[[Category: Stec, B.]]
[[Category: Jaroszewski L]]
[[Category: Sui, J.]]
[[Category: Liddington RC]]
[[Category: S protein]]
[[Category: Lin Y]]
[[Category: Sar]]
[[Category: Marasco WA]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May  4 05:07:39 2008''
[[Category: Santelli E]]
[[Category: Stec B]]
[[Category: Sui J]]

Latest revision as of 00:58, 21 November 2024

Crystal structure of SARS spike protein receptor binding domain

2ghv, resolution 2.20Å

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