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Updated: Feb 13, 2026
08:46
Green Fluorescent Protein-based Expression Screening of Membrane Proteins in Escherichia coli
Published on: January 6, 2015
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Membrane-Mediated Cooperativity of Proteins.
1Department of Theory and Bio-Systems, Max Planck Institute of Colloids and Interfaces, 14424 Potsdam, Germany;
Annual Review of Physical Chemistry
|March 1, 2018
Summary
Membrane proteins interact indirectly via membrane shape, driving protein assembly and adhesion. These interactions influence membrane curvature and protein segregation during adhesion.
Area of Science:
- Biophysics
- Cell Biology
- Structural Biology
Background:
- Proteins interacting indirectly through membranes are crucial for cellular functions like membrane shaping and adhesion.
- Proteins inducing membrane curvature generate intricate biological membrane shapes.
- Curvature-mediated interactions arise from proteins collectively altering membrane bending energy.
Purpose of the Study:
- To investigate the role of indirect, membrane-mediated interactions in protein assembly and function.
- To elucidate how curvature-mediated interactions drive protein assembly during membrane tubulation.
- To understand the influence of nanoscale membrane fluctuations and length mismatches on membrane adhesion.
Main Methods:
- Analysis of protein-induced membrane curvature.
- Modeling of curvature-mediated interactions and their effect on protein assembly.
- Investigating fluctuation-mediated binding cooperativity in receptor-ligand interactions.
- Examining length mismatch effects on protein segregation during membrane adhesion.
Main Results:
- Curvature-mediated interactions are attractive for crescent-shaped proteins, driving assembly in membrane tubulation.
- Nanoscale membrane shape fluctuations enhance binding cooperativity between receptor and ligand proteins.
- Repulsive curvature-mediated interactions arise from length mismatches, promoting protein segregation in adhesion zones.
Conclusions:
- Indirect membrane-mediated interactions are fundamental to protein assembly and function in membrane shaping and adhesion.
- Curvature-mediated and fluctuation-mediated interactions govern protein organization and behavior at membranes.
- These principles are essential for understanding biological processes like membrane tubulation and adhesion.
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