2pv6

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[[Image:2pv6.png|left|200px]]
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==HIV-1 gp41 Membrane Proximal Ectodomain Region peptide in DPC micelle==
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<StructureSection load='2pv6' size='340' side='right' caption='[[2pv6]], [[NMR_Ensembles_of_Models | 17 NMR models]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2pv6]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Human_immunodeficiency_virus_1 Human immunodeficiency virus 1]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2PV6 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2PV6 FirstGlance]. <br>
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</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">env ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=11676 Human immunodeficiency virus 1])</td></tr>
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<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=2pv6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2pv6 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2pv6 RCSB], [http://www.ebi.ac.uk/pdbsum/2pv6 PDBsum]</span></td></tr>
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</table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Although rarely elicited during natural human infection, the most broadly neutralizing antibodies (BNAbs) against diverse human immunodeficiency virus (HIV)-1 strains target the membrane-proximal ectodomain region (MPER) of viral gp41. To gain insight into MPER antigenicity, immunogenicity, and viral function, we studied its structure in the lipid environment by a combination of nuclear magnetic resonance (NMR), electron paramagnetic resonance (EPR), and surface plasmon resonance (SPR) techniques. The analyses revealed a tilted N-terminal alpha helix (aa 664-672) connected via a short hinge to a flat C-terminal helical segment (675-683). This metastable L-shaped structure is immersed in viral membrane and, therefore, less accessible to immune attack. Nonetheless, the 4E10 BNAb extracts buried W672 and F673 after initial encounter with the surface-embedded MPER. The data suggest how BNAbs may perturb tryptophan residue-associated viral fusion involving the mobile N-terminal MPER segment and, given conservation of MPER sequences in HIV-1, HIV-2, and SIV, have important implications for structure-guided vaccine design.
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{{STRUCTURE_2pv6| PDB=2pv6 | SCENE= }}
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HIV-1 broadly neutralizing antibody extracts its epitope from a kinked gp41 ectodomain region on the viral membrane.,Sun ZY, Oh KJ, Kim M, Yu J, Brusic V, Song L, Qiao Z, Wang JH, Wagner G, Reinherz EL Immunity. 2008 Jan;28(1):52-63. PMID:18191596<ref>PMID:18191596</ref>
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===HIV-1 gp41 Membrane Proximal Ectodomain Region peptide in DPC micelle===
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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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{{ABSTRACT_PUBMED_18191596}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[2pv6]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Human_immunodeficiency_virus_1 Human immunodeficiency virus 1]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2PV6 OCA].
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</StructureSection>
[[Category: Human immunodeficiency virus 1]]
[[Category: Human immunodeficiency virus 1]]
[[Category: Kim, M.]]
[[Category: Kim, M.]]

Revision as of 11:31, 20 October 2014

HIV-1 gp41 Membrane Proximal Ectodomain Region peptide in DPC micelle

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