Document Detail

CRAACK: consensus program for NMR amino acid type assignment.
MedLine Citation:
PMID:  16711771     Owner:  NLM     Status:  MEDLINE    
Protein peak spectrum assignment is a prerequisite of the nuclear magnetic resonance study of a molecule. We present here a computer tool which proposes the determination of the amino acid type from the values of the chemical shifts. This tool is based on two consensus algorithms based on several published typing algorithms and was trained and extensively tested against the Biological Magnetic Resonance Bank chemical shift data bank. The first one accomplishes the analysis with support vector machine technology, grouping related amino acids together, and presents a mean rate of success above 90% on the test set. The second one uses a classical consensus algorithm of vote. Furthermore, secondary structural prediction is available. This tool can be used for assisting manual assignment of peptides and proteins and can also be used as a step in an automated approach to assignment. This program has been called CRAACK and is publicly available at the following URL:
Cindy Benod; Marc-André Delsuc; Jean-Luc Pons
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of chemical information and modeling     Volume:  46     ISSN:  1549-9596     ISO Abbreviation:  -     Publication Date:    2006 May-Jun
Date Detail:
Created Date:  2006-05-22     Completed Date:  2006-06-28     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  101230060     Medline TA:  J Chem Inf Model     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1517-22     Citation Subset:  IM    
Centre de Biochimie Structurale, CNRS UMR 5048, INSERM UMR 554, Université Montpellier 1, 29 rue de Navacelles, 34090 Montpellier, France.
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MeSH Terms
Amino Acids / chemistry*
Nuclear Magnetic Resonance, Biomolecular / methods*
Sequence Homology, Amino Acid
Reg. No./Substance:
0/Amino Acids

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