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1b03

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[[Image:1b03.png|left|200px]]
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==SOLUTION STRUCTURE OF THE ANTIBODY-BOUND HIV-1IIIB V3 PEPTIDE==
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<StructureSection load='1b03' size='340' side='right' caption='[[1b03]], [[NMR_Ensembles_of_Models | 35 NMR models]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1b03]] is a 1 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1B03 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1B03 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1b03 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1b03 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1b03 RCSB], [http://www.ebi.ac.uk/pdbsum/1b03 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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The refined solution structure of an 18-residue HIV-1IIIB V3 peptide in complex with the Fv fragment of an anti-gp120 antibody reveals an unexpected type VI beta-turn comprising residues RGPG at the center of a beta-hairpin. The central glycine and proline of this turn are linked by a cis peptide bond. The residues of the turn interact extensively with the antibody Fv. 15N[1H] NOE measurements show that the backbone of the peptide, including the central QRGPGR loop, is well ordered in the complex. The solution structure is significantly different from the X-ray structures of HIV-1MN V3 peptides bound to anti-peptide antibodies. These differences could be due to a two-residue (QR) insertion preceding the GPGR sequence in the HIV-1IIIB strain, and the much longer peptide epitope immobilized by the anti-gp120 antibody.
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{{STRUCTURE_1b03| PDB=1b03 | SCENE= }}
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A cis proline turn linking two beta-hairpin strands in the solution structure of an antibody-bound HIV-1IIIB V3 peptide.,Tugarinov V, Zvi A, Levy R, Anglister J Nat Struct Biol. 1999 Apr;6(4):331-5. PMID:10201400<ref>PMID:10201400</ref>
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===SOLUTION STRUCTURE OF THE ANTIBODY-BOUND HIV-1IIIB V3 PEPTIDE===
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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_10201400}}
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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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[[1b03]] is a 1 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1B03 OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:010201400</ref><references group="xtra"/>
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[[Category: Anglister, J.]]
[[Category: Anglister, J.]]
[[Category: Levy, R.]]
[[Category: Levy, R.]]

Revision as of 05:56, 8 June 2014

SOLUTION STRUCTURE OF THE ANTIBODY-BOUND HIV-1IIIB V3 PEPTIDE

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