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New page: left|200px<br /> <applet load="1bau" size="450" color="white" frame="true" align="right" spinBox="true" caption="1bau" /> '''NMR STRUCTURE OF THE DIMER INITIATION COMPL...
 
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[[Image:1bau.gif|left|200px]]<br />
<applet load="1bau" size="450" color="white" frame="true" align="right" spinBox="true"
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'''NMR STRUCTURE OF THE DIMER INITIATION COMPLEX OF HIV-1 GENOMIC RNA, MINIMIZED AVERAGE STRUCTURE'''<br />


==Overview==
==NMR STRUCTURE OF THE DIMER INITIATION COMPLEX OF HIV-1 GENOMIC RNA, MINIMIZED AVERAGE STRUCTURE==
Retroviral genomes must dimerize to be fully infectious. Dimerization is, directed by a unique RNA hairpin structure with a palindrome in its loop:, hairpins of two strands first associate transiently through their loops, and then refold to a more stable, linear duplex. The structure of the, initial, kissing-loop dimer from HIV-1, solved using 2D NMR, is bent and, metastable, its interface being formed not only by standard basepairing, between palindromes, but also by a distinctive pattern of interstrand, stacking among bases at the stem-loop junctions. This creates mechanical, distortions that partially melt both stems, which may facilitate, spontaneous refolding of this RNA complex into linear form.
<StructureSection load='1bau' size='340' side='right'caption='[[1bau]]' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[1bau]] is a 2 chain structure with sequence from [https://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=1BAU OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1BAU FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</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=1bau FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1bau OCA], [https://pdbe.org/1bau PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1bau RCSB], [https://www.ebi.ac.uk/pdbsum/1bau PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1bau ProSAT]</span></td></tr>
</table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Retroviral genomes must dimerize to be fully infectious. Dimerization is directed by a unique RNA hairpin structure with a palindrome in its loop: hairpins of two strands first associate transiently through their loops, and then refold to a more stable, linear duplex. The structure of the initial, kissing-loop dimer from HIV-1, solved using 2D NMR, is bent and metastable, its interface being formed not only by standard basepairing between palindromes, but also by a distinctive pattern of interstrand stacking among bases at the stem-loop junctions. This creates mechanical distortions that partially melt both stems, which may facilitate spontaneous refolding of this RNA complex into linear form.


==About this Structure==
Structure of the dimer initiation complex of HIV-1 genomic RNA.,Mujeeb A, Clever JL, Billeci TM, James TL, Parslow TG Nat Struct Biol. 1998 Jun;5(6):432-6. PMID:9628479<ref>PMID:9628479</ref>
1BAU is a [http://en.wikipedia.org/wiki/Protein_complex Protein complex] structure of sequences from [http://en.wikipedia.org/wiki/ ]. Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1BAU OCA].


==Reference==
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
Structure of the dimer initiation complex of HIV-1 genomic RNA., Mujeeb A, Clever JL, Billeci TM, James TL, Parslow TG, Nat Struct Biol. 1998 Jun;5(6):432-6. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=9628479 9628479]
</div>
[[Category: Protein complex]]
<div class="pdbe-citations 1bau" style="background-color:#fffaf0;"></div>
[[Category: Billeci, T.M.]]
== References ==
[[Category: Clever, J.L.]]
<references/>
[[Category: James, T.L.]]
__TOC__
[[Category: Mujeeb, A.]]
</StructureSection>
[[Category: Parslow, T.G.]]
[[Category: Human immunodeficiency virus 1]]
[[Category: dimerization]]
[[Category: Large Structures]]
[[Category: encapsidation]]
[[Category: Billeci TM]]
[[Category: hiv-1]]
[[Category: Clever JL]]
[[Category: ribonucleic acid]]
[[Category: James TL]]
[[Category: rna]]
[[Category: Mujeeb A]]
 
[[Category: Parslow TG]]
''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Thu Nov  8 13:53:11 2007''

Latest revision as of 11:35, 22 November 2023

NMR STRUCTURE OF THE DIMER INITIATION COMPLEX OF HIV-1 GENOMIC RNA, MINIMIZED AVERAGE STRUCTURE

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