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2g1z

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[[Image:2g1z.png|left|200px]]
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==X-ray structure of the oligonucleotide sequence d(AAATTT)==
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<StructureSection load='2g1z' size='340' side='right' caption='[[2g1z]], [[Resolution|resolution]] 3.11&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2g1z]] is a 3 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2G1Z OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2G1Z FirstGlance]. <br>
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</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2g1z FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2g1z OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2g1z RCSB], [http://www.ebi.ac.uk/pdbsum/2g1z 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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We describe the packing features of the oligonucleotide duplex d(AAATTT)2, as determined by X-ray diffraction. There is little information on sequences that only contain A and T bases. The present structure confirms that these sequences tend to pack as a helical arrangement of stacked oligonucleotides in a B conformation with Watson-Crick hydrogen bonding. Our results demonstrate that the virtual TA base step between stacked duplexes has a negative twist that improves base stacking. This observation is consistent with the low stability of TA base steps in B-form DNA.
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{{STRUCTURE_2g1z| PDB=2g1z | SCENE= }}
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Packing features of the all-AT oligonucleotide d(AAATTT).,Valls N, Santaolalla A, Campos JL, Subirana JA J Biomol Struct Dyn. 2007 Jun;24(6):547-52. PMID:17508776<ref>PMID:17508776</ref>
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===X-ray structure of the oligonucleotide sequence d(AAATTT)===
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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_17508776}}
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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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[[2g1z]] is a 3 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2G1Z OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:017508776</ref><references group="xtra"/>
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[[Category: Campos, J L.]]
[[Category: Campos, J L.]]
[[Category: Santaolalla, A.]]
[[Category: Santaolalla, A.]]

Revision as of 15:39, 12 October 2014

X-ray structure of the oligonucleotide sequence d(AAATTT)

2g1z, resolution 3.11Å

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