2f4x

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{{STRUCTURE_2f4x| PDB=2f4x | SCENE= }}
{{STRUCTURE_2f4x| PDB=2f4x | SCENE= }}
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'''NMR Solution of HIV-1 Lai Kissing Complex'''
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===NMR Solution of HIV-1 Lai Kissing Complex===
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==Overview==
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Dimerization of genomic RNA is directly related with the event of encapsidation and maturation of the virion. The initiating sequence of the dimerization is a short autocomplementary region in the hairpin loop SL1. We describe here a new solution structure of the RNA dimerization initiation site (DIS) of HIV-1(Lai). NMR pulsed field-gradient spin-echo techniques and multidimensional heteronuclear NMR spectroscopy indicate that this structure is formed by two hairpins linked by six Watson-Crick GC base pairs. Hinges between the stems and the loops are stabilized by intra and intermolecular interactions involving the A8, A9 and A16 adenines. The coaxial alignment of the three A-type helices present in the structure is supported by previous crystallography analysis but the A8 and A9 adenines are found in a bulged in position. These data suggest the existence of an equilibrium between bulged in and bulged out conformations in solution.
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The line below this paragraph, {{ABSTRACT_PUBMED_16410614}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 16410614 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16410614}}
==About this Structure==
==About this Structure==
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Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2F4X OCA].
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Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2F4X OCA].
==Reference==
==Reference==
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[[Category: Rna]]
[[Category: Rna]]
[[Category: Sl1]]
[[Category: Sl1]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 03:27:51 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 05:35:08 2008''

Revision as of 02:35, 28 July 2008

Image:2f4x.png

Template:STRUCTURE 2f4x

NMR Solution of HIV-1 Lai Kissing Complex

Template:ABSTRACT PUBMED 16410614

About this Structure

Full experimental information is available from OCA.

Reference

A new NMR solution structure of the SL1 HIV-1Lai loop-loop dimer., Kieken F, Paquet F, Brule F, Paoletti J, Lancelot G, Nucleic Acids Res. 2006 Jan 12;34(1):343-52. Print 2006. PMID:16410614

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