1uuu

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[[Image:1uuu.jpg|left|200px]]
[[Image:1uuu.jpg|left|200px]]
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{{Structure
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|PDB= 1uuu |SIZE=350|CAPTION= <scene name='initialview01'>1uuu</scene>
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The line below this paragraph, containing "STRUCTURE_1uuu", creates the "Structure Box" on the page.
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|SITE=
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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|LIGAND= <scene name='pdbligand=A:ADENOSINE-5&#39;-MONOPHOSPHATE'>A</scene>, <scene name='pdbligand=C:CYTIDINE-5&#39;-MONOPHOSPHATE'>C</scene>, <scene name='pdbligand=G:GUANOSINE-5&#39;-MONOPHOSPHATE'>G</scene>, <scene name='pdbligand=U:URIDINE-5&#39;-MONOPHOSPHATE'>U</scene>
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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|ACTIVITY=
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or leave the SCENE parameter empty for the default display.
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|GENE=
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|DOMAIN=
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{{STRUCTURE_1uuu| PDB=1uuu | SCENE= }}
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|RELATEDENTRY=
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1uuu FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1uuu OCA], [http://www.ebi.ac.uk/pdbsum/1uuu PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1uuu RCSB]</span>
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}}
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'''STRUCTURE OF AN RNA HAIRPIN LOOP WITH A 5'-CGUUUCG-3' LOOP MOTIF BY HETERONUCLEAR NMR SPECTROSCOPY AND DISTANCE GEOMETRY, 15 STRUCTURES'''
'''STRUCTURE OF AN RNA HAIRPIN LOOP WITH A 5'-CGUUUCG-3' LOOP MOTIF BY HETERONUCLEAR NMR SPECTROSCOPY AND DISTANCE GEOMETRY, 15 STRUCTURES'''
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==About this Structure==
==About this Structure==
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1UUU is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/ ]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1UUU OCA].
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Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1UUU OCA].
==Reference==
==Reference==
Structure of an RNA hairpin loop with a 5'-CGUUUCG-3' loop motif by heteronuclear NMR spectroscopy and distance geometry., Sich C, Ohlenschlager O, Ramachandran R, Gorlach M, Brown LR, Biochemistry. 1997 Nov 18;36(46):13989-4002. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/9369470 9369470]
Structure of an RNA hairpin loop with a 5'-CGUUUCG-3' loop motif by heteronuclear NMR spectroscopy and distance geometry., Sich C, Ohlenschlager O, Ramachandran R, Gorlach M, Brown LR, Biochemistry. 1997 Nov 18;36(46):13989-4002. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/9369470 9369470]
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[[Category: Protein complex]]
 
[[Category: Brown, L R.]]
[[Category: Brown, L R.]]
[[Category: Gorlach, M.]]
[[Category: Gorlach, M.]]
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[[Category: Sich, C.]]
[[Category: Sich, C.]]
[[Category: 18s ribosomal rna]]
[[Category: 18s ribosomal rna]]
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[[Category: hairpin]]
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[[Category: Hairpin]]
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[[Category: nmr]]
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[[Category: Nmr]]
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[[Category: pentaloop]]
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[[Category: Pentaloop]]
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[[Category: ribonucleic acid]]
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[[Category: Ribonucleic acid]]
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[[Category: rna]]
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[[Category: Rna]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 11:43:23 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 00:15:36 2008''
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Revision as of 08:43, 3 May 2008

Image:1uuu.jpg

Template:STRUCTURE 1uuu

STRUCTURE OF AN RNA HAIRPIN LOOP WITH A 5'-CGUUUCG-3' LOOP MOTIF BY HETERONUCLEAR NMR SPECTROSCOPY AND DISTANCE GEOMETRY, 15 STRUCTURES


Overview

Structural features of a 19-nucleotide RNA hairpin loop (5'-GGCGUACGUUUCGUACGCC-3'), a loop motif which occurs in eukaryotic 18S rRNA, have been derived using multidimensional heteronuclear NMR spectroscopy in combination with local conformational analysis and torsion angle distance geometry followed by restrained energy minimization. A method to obtain both the 3JC4'P3' and 3JC4'P5' coupling constants from a set of spin-echo difference constant time HSQC spectra is introduced, and it is shown how these couplings can be assigned to the backbone angles beta and epsilon. A total of 280 distance constraints as well as 132 homo- and heteronuclear three-bond scalar coupling constants were derived from the NMR data. The structure which has been determined is a pentaloop rather than a triloop with no base pairing between G8 and C12. G8 is pointed to the minor groove where it forms a base triplet with C7-G13 that is further stabilized by hydrogen bonding to the 2'-hydroxyl group of C7. C12 is directed to the major groove where its conformation is stabilized by hydrogen bonding between O2 and HO2'. The NMR data suggest two possible, interconverting conformations with stacking of bases U10-G8 or U11-C7. Overall, the loop provides a variety of interaction sites for RNA or protein interactions.

About this Structure

Full crystallographic information is available from OCA.

Reference

Structure of an RNA hairpin loop with a 5'-CGUUUCG-3' loop motif by heteronuclear NMR spectroscopy and distance geometry., Sich C, Ohlenschlager O, Ramachandran R, Gorlach M, Brown LR, Biochemistry. 1997 Nov 18;36(46):13989-4002. PMID:9369470 Page seeded by OCA on Sat May 3 11:43:23 2008

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