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- W2757442068 endingPage "129" @default.
- W2757442068 startingPage "118" @default.
- W2757442068 abstract "In nature, assembled protein structures offer the most complex functional structures. The understanding of the mechanisms ruling protein–protein interactions opens the door to manipulate protein assemblies in a rational way. Proteins are versatile scaffolds with great potential as tools in nanotechnology and biomedicine because of their chemical, structural, and functional versatility. Currently, bottom-up self-assembly based on biomolecular interactions of small and well-defined components, is an attractive approach to biomolecular engineering and biomaterial design. Specifically, repeat proteins are simplified systems for this purpose. In this work, we provide an overview of fundamental concepts of the design of new protein interfaces. We describe an experimental approach to form higher order architectures by a bottom-up assembly of repeated building blocks. For this purpose, we use designed consensus tetratricopeptide repeat proteins (CTPRs). CTPR arrays contain multiple identical repeats that interact through a single inter-repeat interface to form elongated superhelices. Introducing a novel interface along the CTPR superhelix allows two CTPR molecules to assemble into protein nanotubes. We apply three approaches to form protein nanotubes: electrostatic interactions, hydrophobic interactions, and π-π interactions. We isolate and characterize the stability and shape of the formed dimers and analyze the nanotube formation considering the energy of the interaction and the structure in the three different models. These studies provide insights into the design of novel protein interfaces for the control of the assembly into more complex structures, which will open the door to the rational design of nanostructures and ordered materials for many potential applications in nanotechnology." @default.
- W2757442068 created "2017-10-06" @default.
- W2757442068 creator A5014306790 @default.
- W2757442068 creator A5016034707 @default.
- W2757442068 creator A5020770131 @default.
- W2757442068 creator A5025796193 @default.
- W2757442068 creator A5081383200 @default.
- W2757442068 date "2018-02-01" @default.
- W2757442068 modified "2023-09-27" @default.
- W2757442068 title "Self-assembly of repeat proteins: Concepts and design of new interfaces" @default.
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