1fh1: Difference between revisions
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'''BACKBONE FOLD OF NODF''' | '''BACKBONE FOLD OF NODF''' | ||
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[[Category: Prestegard, J H.]] | [[Category: Prestegard, J H.]] | ||
[[Category: Tian, F.]] | [[Category: Tian, F.]] | ||
[[Category: | [[Category: Protein backbone fold]] | ||
[[Category: | [[Category: Root nodulation factor]] | ||
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Revision as of 16:18, 2 May 2008
BACKBONE FOLD OF NODF
OverviewOverview
Over the next few years, various genome projects will sequence many new genes and yield many new gene products. Many of these products will have no known function and little, if any, sequence homology to existing proteins. There is reason to believe that a rapid determination of a protein fold, even at low resolution, can aid in the identification of function and expedite the determination of structure at higher resolution. Recently devised NMR methods of measuring residual dipolar couplings provide one route to the determination of a fold. They do this by allowing the alignment of previously identified secondary structural elements with respect to each other. When combined with constraints involving loops connecting elements or other short-range experimental distance information, a fold is produced. We illustrate this approach to protein fold determination on (15)N-labeled Eschericia coli acyl carrier protein using a limited set of (15)N-(1)H and (1)H-(1)H dipolar couplings. We also illustrate an approach using a more extended set of heteronuclear couplings on a related protein, (13)C, (15)N-labeled NodF protein from Rhizobium leguminosarum.
About this StructureAbout this Structure
1FH1 is a Single protein structure of sequence from Rhizobium leguminosarum. Full crystallographic information is available from OCA.
ReferenceReference
Rapid determination of protein folds using residual dipolar couplings., Fowler CA, Tian F, Al-Hashimi HM, Prestegard JH, J Mol Biol. 2000 Dec 1;304(3):447-60. PMID:11090286 Page seeded by OCA on Fri May 2 16:18:57 2008