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Journal Articles Annual Review of Biophysics and Biomolecular Structure Year : 2011

Amphipols From A to Z

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Christine Ebel
Frank Gabel
  • Function : Author
  • PersonId : 1054760
Yann Y. Gohon
  • Function : Author
  • PersonId : 956921
Erik Goormaghtigh
  • Function : Author
  • PersonId : 910166
Frank Wien
  • Function : Author
  • PersonId : 1057690

Abstract

Amphipols (APols) are short amphipathic polymers that can substitute for detergents to keep integral membrane proteins (MPs) water soluble. In this review, we discuss their structure and solution behavior; the way they associate with MPs; and the structure, dynamics, and solution properties of the resulting complexes. All MPs tested to date form water-soluble complexes with APols, and their biochemical stability is in general greatly improved compared with MPs in detergent solutions. The functionality and ligand-binding properties of APol-trapped MPs are reviewed, and the mechanisms by which APols stabilize MPs are discussed. Applications of APols include MP folding and cell-free synthesis, structural studies by NMR, electron microscopy and X-ray diffraction, APol-mediated immobilization of MPs onto solid supports, proteomics, delivery of MPs to preexisting membranes, and vaccine formulation.
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Dates and versions

hal-02327349 , version 1 (07-12-2022)

Licence

Attribution - CC BY 4.0

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Jean-Luc Popot, Thorsten Althoff, Dominique Bagnard, Jean-Louis Banères, Paola Bazzacco, et al.. Amphipols From A to Z. Annual Review of Biophysics and Biomolecular Structure, 2011, 40 (1), pp.379-408. ⟨10.1146/annurev-biophys-042910-155219⟩. ⟨hal-02327349⟩
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