402d

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[[Image:402d.png|left|200px]]
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==5'-R(*CP*GP*CP*CP*AP*GP*CP*G)-3'==
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<StructureSection load='402d' size='340' side='right' caption='[[402d]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[402d]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=402D OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=402D 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=402d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=402d OCA], [http://www.rcsb.org/pdb/explore.do?structureId=402d RCSB], [http://www.ebi.ac.uk/pdbsum/402d 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 crystal structure of the RNA octamer 5'-CGC(CA)GCG-3' has been determined from X-ray diffraction data to 2.3 A resolution. In the crystal, this oligomer forms a self-complementary double helix in the asymmetric unit. Tandem non-Watson-Crick C-A and A-C base pairs comprise an internal loop in the middle of the duplex, which is incorporated with little distortion of the A-form double helix. From the geometry of the C-A base pairs, it is inferred that the adenosine imino group is protonated and donates a hydrogen bond to the carbonyl group of the cytosine. The wobble geometry of the C-A+ base pairs is very similar to that of the common U-G non-Watson-Crick pair.
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{{STRUCTURE_402d| PDB=402d | SCENE= }}
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Structure of an RNA internal loop consisting of tandem C-A+ base pairs.,Jang SB, Hung LW, Chi YI, Holbrook EL, Carter RJ, Holbrook SR Biochemistry. 1998 Aug 25;37(34):11726-31. PMID:9718295<ref>PMID:9718295</ref>
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===5'-R(*CP*GP*CP*CP*AP*GP*CP*G)-3'===
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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_9718295}}
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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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[[402d]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=402D OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:009718295</ref><references group="xtra"/>
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[[Category: Carter, R.]]
[[Category: Carter, R.]]
[[Category: Chi, Y I.]]
[[Category: Chi, Y I.]]

Revision as of 09:20, 11 June 2014

5'-R(*CP*GP*CP*CP*AP*GP*CP*G)-3'

402d, resolution 2.30Å

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