Analytical ultracentrifugation: a versatile tool for the characterisation of macromolecular complexes in solution

Trushar R. Patel, Donald J. Winzor, D Scott

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)
240 Downloads (Pure)

Abstract

Analytical ultracentrifugation, an early technique developed for characterizing quantitatively the solution properties of macromolecules, remains a powerful aid to structural biologists in their quest to understand the formation of biologically important protein complexes at the molecular level. Treatment of the basic tenets of the sedimentation velocity and sedimentation equilibrium variants of analytical ultracentrifugation is followed by considerations of the roles that it, in conjunction with other physicochemical procedures, has played in resolving problems encountered in the delineation of complex formation for three biological systems – the cytoplasmic dynein complex, mitogen-activated protein kinase (ERK2) self-interaction, and the terminal catalytic complex in selenocysteine synthesis.
Original languageEnglish
Pages (from-to)55-61
JournalMethods
Volume95
Early online date10 Nov 2015
DOIs
Publication statusPublished - 15 Feb 2016

Keywords

  • Analytical ultracentrifugation
  • Catalytic complex in selenocysteine synthesis
  • Cytoplasmic dynein complex
  • Mitogen-activated protein kinase (ERK2)
  • Sedimentation equilibrium
  • Sedimentation velocity
  • SepSecS–tRNASec interaction

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