Advances in membrane mimetics and mass spectrometry for understanding membrane structure and function |
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Institution: | TU Dortmund University, Department of Chemistry and Chemical Biology, Otto-Hahn-Straße 6, 44227 Dortmund, Germany |
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Abstract: | Membrane proteins and lipids play roles in regulating biological functions of cells. However, the analysis of interactions between membrane proteins and lipids in biological membranes remains challenging. Native membranes typically contain heterogenous lipid mixtures and low amounts of membrane proteins. This review presents recent developments in membrane mimetics and complementary mass spectrometry approaches for the investigation of membrane protein–lipid interactions after protein expression and purification. Furthermore, it is exemplified how delipidation knowledge on membrane mimetics can be used to gain insights into the role of lipids for protein structure and function. Because every technology has its strengths and weaknesses, it becomes apparent that integrated research approaches will facilitate the investigation of complex membrane environments in the future. |
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