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'''STRUCTURE OF THE 3' HAIRPIN OF THE TYMV PSEUDOKNOT: PREFORMATION IN RNA FOLDING''' | '''STRUCTURE OF THE 3' HAIRPIN OF THE TYMV PSEUDOKNOT: PREFORMATION IN RNA FOLDING''' | ||
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==About this Structure== | ==About this Structure== | ||
| - | + | Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3PHP OCA]. | |
==Reference== | ==Reference== | ||
Structure of the 3'-hairpin of the TYMV pseudoknot: preformation in RNA folding., Kolk MH, van der Graaf M, Fransen CT, Wijmenga SS, Pleij CW, Heus HA, Hilbers CW, EMBO J. 1998 Dec 15;17(24):7498-504. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/9857204 9857204] | Structure of the 3'-hairpin of the TYMV pseudoknot: preformation in RNA folding., Kolk MH, van der Graaf M, Fransen CT, Wijmenga SS, Pleij CW, Heus HA, Hilbers CW, EMBO J. 1998 Dec 15;17(24):7498-504. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/9857204 9857204] | ||
| - | [[Category: Protein complex]] | ||
[[Category: Graaf, M Van Der.]] | [[Category: Graaf, M Van Der.]] | ||
[[Category: Heus, H A.]] | [[Category: Heus, H A.]] | ||
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[[Category: Pleij, C W.A.]] | [[Category: Pleij, C W.A.]] | ||
[[Category: Wijmenga, S S.]] | [[Category: Wijmenga, S S.]] | ||
| - | [[Category: | + | [[Category: Pseudoknot]] |
| - | [[Category: | + | [[Category: Ribonucleic acid]] |
| - | [[Category: | + | [[Category: Rna]] |
| - | [[Category: | + | [[Category: Tymv]] |
| - | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 22:10:30 2008'' | |
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Revision as of 19:10, 4 May 2008
STRUCTURE OF THE 3' HAIRPIN OF THE TYMV PSEUDOKNOT: PREFORMATION IN RNA FOLDING
Overview
The solution structure of an RNA-hairpin present in the pseudoknot, which is found at the 3'-terminus of turnip yellow mosaic virus genomic RNA, has been solved by nuclear magnetic resonance spectroscopy. The loop, which contains the sequence 5'-GGGUCA-3', was found to be highly structured and, contrary to expectations, does not attain its stability through GA or GC base pair formation but by triple interactions between the tilted adenosine and the minor groove sides of the first two guanosines. Interestingly, a very similar conformation was found for the cognate pseudoknot, implying that the 3'-hairpin is preformed for folding into a pseudoknotted structure. These findings suggest a mechanism of 'predetermined-fit' as a principle in RNA folding.
About this Structure
Full crystallographic information is available from OCA.
Reference
Structure of the 3'-hairpin of the TYMV pseudoknot: preformation in RNA folding., Kolk MH, van der Graaf M, Fransen CT, Wijmenga SS, Pleij CW, Heus HA, Hilbers CW, EMBO J. 1998 Dec 15;17(24):7498-504. PMID:9857204 Page seeded by OCA on Sun May 4 22:10:30 2008
