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Publication Detail
AFM imaging of pore forming proteins
  • Publication Type:
    Chapter
  • Authors:
    Hodel AW, Hammond K, Hoogenboom BW
  • Publication date:
    01/01/2021
  • Pagination:
    149, 188
  • Volume:
    649
  • ISBN-13:
    9780128238585
  • Status:
    Published
  • Book title:
    Methods in Enzymology
Abstract
Pore forming proteins are released as water-soluble monomers that form—mostly oligomeric—pores in target membranes. Our understanding of such pore formation relies in part on the direct visualization of their assemblies on and in the membrane. Here, we discuss the application of atomic force microscopy (AFM) to visualize and understand membrane pore formation, illustrated specifically by studies of proteins of the MACPF/CDC superfamily on supported lipid bilayers. Besides detailed protocols, we also point out common imaging artefacts and strategies to avoid them, and briefly outline how AFM can be effectively used in conjunction with other methods.
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