Protein conformational flexibility from structure-free analysis of NMR dipolar couplings: Quantitative and absolute determination of backbone motion in ubiquitin

  • Loïe Salmon
  • , Guillaume Bouvignies
  • , Phineus Markwick
  • , Nils Lakomek
  • , Scott Showalter
  • , Da Wei Li
  • , Korvin Walter
  • , Christian Griesinger
  • , Rafael Brüschweiler
  • , Martin Blackledge

Research output: Contribution to journalArticlepeer-review

79 Scopus citations

Abstract

A robust procedure for the determination of proteinbackbone motions on time scales of pico- to milliseconds directly from residual dipolar couplings has been developed that requires no additional scaling relative to external references. The results for ubiquitin (blue in graph: experimental N HN order parameters) correspond closely to the amplitude, nature, and distribution of motion found in a 400 ns molecular-dynamics trajectory of ubiquitin (red).

Original languageEnglish (US)
Pages (from-to)4154-4157
Number of pages4
JournalAngewandte Chemie - International Edition
Volume48
Issue number23
DOIs
StatePublished - May 25 2009

All Science Journal Classification (ASJC) codes

  • Catalysis
  • General Chemistry

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