Document Detail


Vibrational Raman optical activity of proteins, nucleic acids, and viruses.
MedLine Citation:
PMID:  12606225     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Due to its sensitivity to chirality, Raman optical activity (ROA), which may be measured as a small difference in vibrational Raman scattering from chiral molecules in right- and left-circularly polarized incident light, is a powerful probe of biomolecular structure in solution. Protein ROA spectra provide information on the secondary and tertiary structures of the polypeptide backbone, hydration, side-chain conformation, and structural elements present in denatured states. Nucleic acid ROA spectra yield information on the sugar ring conformation, the base stacking arrangement, and the mutual orientation of the sugar and base rings around the C-N glycosidic linkage. ROA is able to simultaneously probe the structures of both the protein and the nucleic acid components of intact viruses. This article gives a brief account of the theory and measurement of ROA and presents the ROA spectra of a selection of proteins, nucleic acids, and viruses which illustrate the applications of ROA spectroscopy in biomolecular research.
Authors:
Ewan W Blanch; Lutz Hecht; Laurence D Barron
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review    
Journal Detail:
Title:  Methods (San Diego, Calif.)     Volume:  29     ISSN:  1046-2023     ISO Abbreviation:  Methods     Publication Date:  2003 Feb 
Date Detail:
Created Date:  2003-02-27     Completed Date:  2003-09-12     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  9426302     Medline TA:  Methods     Country:  United States    
Other Details:
Languages:  eng     Pagination:  196-209     Citation Subset:  IM    
Affiliation:
Department of Chemistry, University of Glasgow, Glasgow G12 8QQ, UK.
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MeSH Terms
Descriptor/Qualifier:
Nucleic Acid Conformation
Nucleic Acids / analysis,  chemistry*
Optics and Photonics
Protein Folding
Proteins / analysis,  chemistry*
Sensitivity and Specificity
Spectrum Analysis, Raman / instrumentation,  methods*
Vibration
Viruses / chemistry*
Chemical
Reg. No./Substance:
0/Nucleic Acids; 0/Proteins

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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