2f4x
From Proteopedia
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'''NMR Solution of HIV-1 Lai Kissing Complex''' | '''NMR Solution of HIV-1 Lai Kissing Complex''' | ||
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==About this Structure== | ==About this Structure== | ||
| - | + | Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2F4X OCA]. | |
==Reference== | ==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:[http://www.ncbi.nlm.nih.gov/pubmed/16410614 16410614] | 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:[http://www.ncbi.nlm.nih.gov/pubmed/16410614 16410614] | ||
| - | [[Category: Protein complex]] | ||
[[Category: Brule, F.]] | [[Category: Brule, F.]] | ||
[[Category: Kieken, F.]] | [[Category: Kieken, F.]] | ||
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[[Category: Paoletti, J.]] | [[Category: Paoletti, J.]] | ||
[[Category: Paquet, F.]] | [[Category: Paquet, F.]] | ||
| - | [[Category: | + | [[Category: Hairpin]] |
| - | [[Category: | + | [[Category: Kissing complex]] |
| - | [[Category: | + | [[Category: Rna]] |
| - | [[Category: | + | [[Category: Sl1]] |
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Revision as of 00:27, 4 May 2008
NMR Solution of HIV-1 Lai Kissing Complex
Overview
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.
About this Structure
Full crystallographic 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 Page seeded by OCA on Sun May 4 03:27:51 2008
Categories: Brule, F. | Kieken, F. | Lancelot, G. | Paoletti, J. | Paquet, F. | Hairpin | Kissing complex | Rna | Sl1
