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1duq

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[[Image:1duq.gif|left|200px]]
 
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==CRYSTAL STRUCTURE OF THE REV BINDING ELEMENT OF HIV-1==
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The line below this paragraph, containing "STRUCTURE_1duq", creates the "Structure Box" on the page.
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<StructureSection load='1duq' size='340' side='right'caption='[[1duq]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1duq]] is a 8 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DUQ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1DUQ FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.1&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NA:SODIUM+ION'>NA</scene></td></tr>
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{{STRUCTURE_1duq| PDB=1duq | SCENE= }}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1duq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1duq OCA], [https://pdbe.org/1duq PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1duq RCSB], [https://www.ebi.ac.uk/pdbsum/1duq PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1duq ProSAT]</span></td></tr>
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</table>
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'''CRYSTAL STRUCTURE OF THE REV BINDING ELEMENT OF HIV-1'''
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
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==Overview==
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[[Category: Holbrook EL]]
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The crystal and molecular structure of an RNA duplex corresponding to the high affinity Rev protein binding element (RBE) has been determined at 2.1-A resolution. Four unique duplexes are present in the crystal, comprising two structural variants. In each duplex, the RNA double helix consists of an annealed 12-mer and 14-mer that form an asymmetric internal loop consisting of G-G and G-A noncanonical base pairs and a flipped-out uridine. The 12-mer strand has an A-form conformation, whereas the 14-mer strand is distorted to accommodate the bulges and noncanonical base pairing. In contrast to the NMR model of the unbound RBE, an asymmetric G-G pair with N2-N7 and N1-O6 hydrogen bonding, is formed in each helix. The G-A base pairing agrees with the NMR structure in one structural variant, but forms a novel water-mediated pair in the other. A backbone flip and reorientation of the G-G base pair is required to assume the RBE conformation present in the NMR model of the complex between the RBE and the Rev peptide.
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[[Category: Holbrook SR]]
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[[Category: Hung L-W]]
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==About this Structure==
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Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DUQ OCA].
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==Reference==
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The crystal structure of the Rev binding element of HIV-1 reveals novel base pairing and conformational variability., Hung LW, Holbrook EL, Holbrook SR, Proc Natl Acad Sci U S A. 2000 May 9;97(10):5107-12. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/10792052 10792052]
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[[Category: Holbrook, E L.]]
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[[Category: Holbrook, S R.]]
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[[Category: Hung, L W.]]
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[[Category: Hiv-1]]
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[[Category: Rev binding domain]]
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[[Category: Rre]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 14:18:06 2008''
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Current revision

CRYSTAL STRUCTURE OF THE REV BINDING ELEMENT OF HIV-1

PDB ID 1duq

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