1mlx

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[[Image:1mlx.png|left|200px]]
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==Crystal Structure Analysis of a 2'-O-[2-(Methylthio)-ethyl]-Modified Oligodeoxynucleotide Duplex==
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<StructureSection load='1mlx' size='340' side='right' caption='[[1mlx]], [[Resolution|resolution]] 1.25&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1mlx]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MLX OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1MLX FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=SMT:2-[(METHYLTHIO)ETHYLOXY]-THYMIDINE-5-MONOPHOSPHATE'>SMT</scene></td></tr>
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<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=1mlx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1mlx OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1mlx RCSB], [http://www.ebi.ac.uk/pdbsum/1mlx 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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A novel 2'-modification, 2'-O-[2-(methylthio)ethyl] or 2'-O-MTE, has been incorporated into oligonucleotides and evaluated for properties relevant to antisense activity. The results were compared with the previously characterized 2'-O-[2-(methoxy)ethyl] 2'-O-MOE modification. As expected, the 2'-O-MTE modified oligonucleotides exhibited improved binding to human serum albumin compared to the 2'-O-MOE modified oligonucleotides. The 2'-O-MTE oligonucleotides maintained high binding affinity to target RNA. Nuclease digestion of 2'-O-MTE oligonucleotides showed that they have limited resistance to exonuclease degradation. We analyzed the crystal structure of a decamer DNA duplex containing the 2'-O-MTE modifcation. Analysis of the crystal structure provides insight into the improved RNA binding affinity, protein binding affinity and limited resistance of 2'-O-MTE modified oligonucleotides to exonuclease degradation.
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{{STRUCTURE_1mlx| PDB=1mlx | SCENE= }}
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2'-O-[2-(methylthio)ethyl]-modified oligonucleotide: an analogue of 2'-O-[2-(methoxy)-ethyl]-modified oligonucleotide with improved protein binding properties and high binding affinity to target RNA.,Prakash TP, Manoharan M, Kawasaki AM, Fraser AS, Lesnik EA, Sioufi N, Leeds JM, Teplova M, Egli M Biochemistry. 2002 Oct 1;41(39):11642-8. PMID:12269806<ref>PMID:12269806</ref>
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===Crystal Structure Analysis of a 2'-O-[2-(Methylthio)-ethyl]-Modified Oligodeoxynucleotide Duplex===
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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_12269806}}
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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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[[1mlx]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MLX OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:012269806</ref><references group="xtra"/>
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[[Category: Egli, M.]]
[[Category: Egli, M.]]
[[Category: Fraser, A S.]]
[[Category: Fraser, A S.]]

Revision as of 05:34, 8 June 2014

Crystal Structure Analysis of a 2'-O-[2-(Methylthio)-ethyl]-Modified Oligodeoxynucleotide Duplex

1mlx, resolution 1.25Å

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