103d

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[[Image:103d.png|left|200px]]
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==THE UNUSUAL STRUCTURE OF THE HUMAN CENTROMERE (GGA)2 MOTIF: UNPAIRED GUANOSINE RESIDUES STACKED BETWEEN SHEARED G(DOT)A PAIRS==
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<StructureSection load='103d' size='340' side='right' caption='[[103d]], [[NMR_Ensembles_of_Models | 1 NMR models]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[103d]] is a 2 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=103D OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=103D FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=103d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=103d OCA], [http://www.rcsb.org/pdb/explore.do?structureId=103d RCSB], [http://www.ebi.ac.uk/pdbsum/103d 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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The centromere of human chromosomes contains multiple repeats of the DNA sequence d(TGGAA)n. This sequence has the interesting property of pairing with itself to form stable duplexes. We have determined the solution structure of the unusual DNA duplex 5'-TGGAATGGAA:TGGAATGGAA-3' at atomic resolution. The duplex contains unpaired staggered guanosine residues, which co-stack by intercalation between sheared G.A and A.G base-pairs to form an interesting new structural motif, the GA-bracketed G-stack. The TGGAA repeat unit contains six "steps", four of which are not Watson-Crick base-pairs.
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{{STRUCTURE_103d| PDB=103d | SCENE= }}
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The unusual structure of the human centromere (GGA)2 motif. Unpaired guanosine residues stacked between sheared G.A pairs.,Chou SH, Zhu L, Reid BR J Mol Biol. 1994 Dec 2;244(3):259-68. PMID:7966337<ref>PMID:7966337</ref>
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===THE UNUSUAL STRUCTURE OF THE HUMAN CENTROMERE (GGA)2 MOTIF: UNPAIRED GUANOSINE RESIDUES STACKED BETWEEN SHEARED G(DOT)A PAIRS===
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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_7966337}}
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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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[[103d]] is a 2 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=103D OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:007966337</ref><references group="xtra"/>
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[[Category: Chou, S H.]]
[[Category: Chou, S H.]]
[[Category: Reid, B R.]]
[[Category: Reid, B R.]]

Revision as of 08:23, 23 July 2014

THE UNUSUAL STRUCTURE OF THE HUMAN CENTROMERE (GGA)2 MOTIF: UNPAIRED GUANOSINE RESIDUES STACKED BETWEEN SHEARED G(DOT)A PAIRS

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