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1mis

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[[Image:1mis.jpg|left|200px]]
 
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==STRUCTURE OF RNA (5'-R(GP*CP*GP*GP*AP*CP*GP*C)-3') ANTI-PARALLEL RNA DUPLEX WITH TANDEM G:A MISMATCHES, NMR, MINIMIZED AVERAGE STRUCTURE==
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The line below this paragraph, containing "STRUCTURE_1mis", creates the "Structure Box" on the page.
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<StructureSection load='1mis' size='340' side='right'caption='[[1mis]]' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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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'>[[1mis]] is a 2 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MIS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1MIS 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">Solution NMR</td></tr>
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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=1mis FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1mis OCA], [https://pdbe.org/1mis PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1mis RCSB], [https://www.ebi.ac.uk/pdbsum/1mis PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1mis ProSAT]</span></td></tr>
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{{STRUCTURE_1mis| PDB=1mis | SCENE= }}
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</table>
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<div style="background-color:#fffaf0;">
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'''STRUCTURE OF RNA (5'-R(GP*CP*GP*GP*AP*CP*GP*C)-3') ANTI-PARALLEL RNA DUPLEX WITH TANDEM G:A MISMATCHES, NMR, MINIMIZED AVERAGE STRUCTURE'''
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== Publication Abstract from PubMed ==
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==Overview==
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The three-dimensional solution structure of the RNA self-complementary duplex [sequence: see text] was derived from two-dimensional NMR and the iterative relaxation matrix approach. Each GA mismatch forms two hydrogen bonds: A-NH6 to G-O6 and A-N1 to G-NH1 (imino). This is the first three-dimensional RNA structure with imino hydrogen-bonded tandem GA mismatches. This GA structure is totally different from the sheared tandem GA structure in [sequence: see text] which also has two hydrogen bonds: A-N7 to G-NH2 and A-NH6 to G-N3 [SantaLucia, J., Jr., &amp; Turner, D. H. (1993) Biochemistry 32, 12612-12623]. In particular, the sheared and imino GA mismatches produce a narrowing and widening of the backbone, respectively. The results show that substitutions of Watson-Crick base pairs can have dramatic effects on the three-dimensional structures of adjacent non-Watson-Crick paired regions; i.e., the structure depends on sequence context. Thus compensating substitutions in site-directed mutagenesis experiments may not always restore biological activities.
The three-dimensional solution structure of the RNA self-complementary duplex [sequence: see text] was derived from two-dimensional NMR and the iterative relaxation matrix approach. Each GA mismatch forms two hydrogen bonds: A-NH6 to G-O6 and A-N1 to G-NH1 (imino). This is the first three-dimensional RNA structure with imino hydrogen-bonded tandem GA mismatches. This GA structure is totally different from the sheared tandem GA structure in [sequence: see text] which also has two hydrogen bonds: A-N7 to G-NH2 and A-NH6 to G-N3 [SantaLucia, J., Jr., &amp; Turner, D. H. (1993) Biochemistry 32, 12612-12623]. In particular, the sheared and imino GA mismatches produce a narrowing and widening of the backbone, respectively. The results show that substitutions of Watson-Crick base pairs can have dramatic effects on the three-dimensional structures of adjacent non-Watson-Crick paired regions; i.e., the structure depends on sequence context. Thus compensating substitutions in site-directed mutagenesis experiments may not always restore biological activities.
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==About this Structure==
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Solution structure of (rGCGGACGC)2 by two-dimensional NMR and the iterative relaxation matrix approach.,Wu M, Turner DH Biochemistry. 1996 Jul 30;35(30):9677-89. PMID:8703939<ref>PMID:8703939</ref>
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Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MIS OCA].
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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Solution structure of (rGCGGACGC)2 by two-dimensional NMR and the iterative relaxation matrix approach., Wu M, Turner DH, Biochemistry. 1996 Jul 30;35(30):9677-89. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/8703939 8703939]
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</div>
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[[Category: Turner, D H.]]
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<div class="pdbe-citations 1mis" style="background-color:#fffaf0;"></div>
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[[Category: Wu, M.]]
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== References ==
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[[Category: Ribonucleic acid]]
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<references/>
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[[Category: Rna]]
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__TOC__
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[[Category: Tandem g:a mismatch]]
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</StructureSection>
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 01:07:44 2008''
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[[Category: Large Structures]]
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[[Category: Turner DH]]
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[[Category: Wu M]]

Current revision

STRUCTURE OF RNA (5'-R(GP*CP*GP*GP*AP*CP*GP*C)-3') ANTI-PARALLEL RNA DUPLEX WITH TANDEM G:A MISMATCHES, NMR, MINIMIZED AVERAGE STRUCTURE

PDB ID 1mis

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