Estimation of protein secondary structure content directly from NMR spectra using an improved empirical correlation with averaged chemical shift

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

We have recently shown that the averaged chemical shift (ACS) of a nucleus in the protein backbone correlates well empirically to its secondary structure content (SSC). This allows the estimation of SSC directly from the NMR spectrum without the time intensive process of chemical shift assignment. Here, we present an empirical correlation that accounts both for contributions to the relevant protein and chemical shift databases made subsequent to the original analysis, and for missing or inconsistently referenced resonances. Our results affirm that this method provides a significant tool for initial structural prediction from NMR data prior to complete chemical shift assignment.

Original languageEnglish (US)
Pages (from-to)281-285
Number of pages5
JournalJournal of Structural and Functional Genomics
Volume6
Issue number4
DOIs
StatePublished - Dec 2005
Externally publishedYes

Keywords

  • Chemical shift
  • NMR
  • Proteins
  • Secondary structure content

ASJC Scopus subject areas

  • Genetics
  • Structural Biology
  • Biochemistry

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