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  Structure determination from heterogeneous NMR data

Rieping, W., Habeck, M., & Nilges, M. (2004). Structure determination from heterogeneous NMR data. AIP Conference Proceedings, 735, 268-275. doi:10.1063/1.1835222.

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Rieping, W, Author
Habeck, M1, Author              
Nilges, M, Author
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1External Organizations, ou_persistent22              

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 Abstract: The principal difficulty in using nuclear magnetic resonance (NMR) data for biomolecular structure determination is not so much experimental imperfections but approximate theories relating structure to measurands. Furthermore, these theories are incomplete as they involve auxiliary parameters which are not measurable. In order to give a reliable picture of a biomolecule, structure determination methods need to determine unknown parameters from definite rules and ought to provide the uncertainty of the derived coordinates. Conventional approaches neglect uncertainties of any kind and therefore by definition fail to give an estimate of structural reliability. In order to deal with auxiliary parameters, they resort to heuristics which renders an objective interpretation of the generated atom positions impossible. Recently, we have introduced a fully probabilistic approach to structure determination from NMR data. We describe here an extension of this approach which incorporates inconsistent nuclear Overhauser effect and J-coupling measurements. Auxiliary parameters are estimated along with the atomic coordinates using Markov Chain Monte Carlo. We apply the method to data sets for two small proteins.

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 Dates: 2004-11
 Publication Status: Published online
 Pages: -
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 Rev. Type: -
 Identifiers: BibTex Citekey: 3624
DOI: 10.1063/1.1835222
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Title: 24th International Workshop on Bayesian Inference and Maximum Entropy Methods in Science and Engineering (MaxEnt 2004)
Place of Event: München, Germany
Start-/End Date: 2004-07-25 - 2004-07-30

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Title: AIP Conference Proceedings
  Abbreviation : AIP Conf. Proc.
Source Genre: Journal
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Publ. Info: Melville, NY : AIP Publishing, 1
Pages: - Volume / Issue: 735 Sequence Number: - Start / End Page: 268 - 275 Identifier: ISSN: 0094-243X
CoNE: https://pure.mpg.de/cone/journals/resource/954928528968