1te7: Difference between revisions

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[[Image:1te7.gif|left|200px]]
{{Seed}}
[[Image:1te7.png|left|200px]]


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{{STRUCTURE_1te7|  PDB=1te7  |  SCENE=  }}  
{{STRUCTURE_1te7|  PDB=1te7  |  SCENE=  }}  


'''Solution NMR Structure of Protein yqfB from Escherichia coli. Northeast Structural Genomics Consortium Target ET99'''
===Solution NMR Structure of Protein yqfB from Escherichia coli. Northeast Structural Genomics Consortium Target ET99===




==Overview==
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A protocol for high-quality structure determination based on G-matrix Fourier transform (GFT) NMR is presented. Five through-bond chemical shift correlation experiments providing 4D and 5D spectral information at high digital resolution are performed for resonance assignment. These are combined with a newly implemented (4,3)D GFT NOESY experiment which encodes information of 4D 15N/15N-, 13C(alipahtic)/15N-, and 13C(aliphatic)/13C(aliphatic)-resolved [1H,1H]-NOESY in two subspectra, each containing one component of chemical shift doublets arising from 4D --&gt; 3D projection at omega1:Omega(1H) +/- Omega(X) [X = 15N,13C(aliphatic)]. The peaks located at the centers of the doublets are obtained from simultaneous 3D 15N/13C(aliphatic)/13C(aromatic)-resolved [1H,1H]-NOESY, wherein NOEs detected on aromatic protons are also obtained. The protocol was applied for determining a high-quality structure of the 14 kDa Northeast Structural Genomics consortium target protein, YqfB (PDB ID ). Through-bond correlation and NOESY spectra were acquired, respectively, in 16.9 and 39 h (30 h for shift doublets, 9 h for central peaks) on a 600 MHz spectrometer equipped with a cryogenic probe. The rapidly collected highly resolved 4D NOESY information allows one to assign the majority of NOEs directly from chemical shifts, which yields accurate initial structures "within" approximately 2 angstroms of the final structure. Information theoretical "QUEEN" analysis of initial distance limit constraint networks revealed that, in contrast to structure-based protocols, such NOE assignment is not biased toward identifying additional constraints that tend to be redundant with respect to the available constraint network. The protocol enables rapid NMR data collection for robust high-quality structure determination of proteins up to approximately 20-25 kDa in high-throughput.
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{{ABSTRACT_PUBMED_15969587}}


==About this Structure==
==About this Structure==
1TE7 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TE7 OCA].  
1TE7 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TE7 OCA].  


==Reference==
==Reference==
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[[Category: Structural genomic]]
[[Category: Structural genomic]]
[[Category: Unknown function]]
[[Category: Unknown function]]
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Revision as of 22:59, 28 July 2008

File:1te7.png

Template:STRUCTURE 1te7

Solution NMR Structure of Protein yqfB from Escherichia coli. Northeast Structural Genomics Consortium Target ET99

Template:ABSTRACT PUBMED 15969587

About this Structure

1TE7 is a Single protein structure of sequence from Escherichia coli. Full experimental information is available from OCA.

Reference

G-matrix Fourier transform NOESY-based protocol for high-quality protein structure determination., Shen Y, Atreya HS, Liu G, Szyperski T, J Am Chem Soc. 2005 Jun 29;127(25):9085-99. PMID:15969587

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