Membrane Protein Digestion – Comparison of LPI HexaLane with Traditional Techniques

  • Ping Sui
  • Tasso Miliotis
  • Max Davidson
  • Roger Karlsson
  • Anders Karlsson
Part of the Methods in Molecular Biology book series (MIMB, volume 753)


Membrane protein profiling and characterization is of immense importance for the understanding of vital processes taking place across cellular membranes. Traditional techniques used for soluble proteins, such as 2D gel electrophoresis, are sometimes not entirely applicable to membrane protein targets, due to their low abundance and hydrophobic character. New tools have been developed that will accelerate research on membrane protein targets. Lipid-based protein immobilization (LPI) is the core technology in a new approach that enables immobilization and digestion of native membrane proteins inside a flow cell format. The presented method is described in the context of comparing the method to traditional approaches where the sample amount that is digested and analyzed is the same.

Key words

Membrane protein immobilization LPI profiling in-gel in-solution sequential digestion 


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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Ping Sui
    • 1
  • Tasso Miliotis
    • 1
  • Max Davidson
    • 2
  • Roger Karlsson
    • 3
  • Anders Karlsson
    • 4
  1. 1.AstraZeneca R&DMölndalSweden
  2. 2.Nanoxis ABGothenburgSweden
  3. 3.Department of ChemistryUniversity of GothenburgGothenburgSweden
  4. 4.Nanoxis ABGothenburgSweden

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