Hao Shen / Jorge A Fallas / Eric Lynch / William Sheffler / Bradley Parry / Nicholas Jannetty / Justin Decarreau / Michael Wagenbach / Juan Jesus Vicente / Jiajun Chen / Lei Wang / Quinton Dowling / Gustav Oberdorfer / Lance Stewart / Linda Wordeman / James De Yoreo / Christine Jacobs-Wagner / Justin Kollman / David Baker /
PubMed Abstract
We describe a general computational approach to designing self-assembling helical filaments from monomeric proteins and use this approach to design proteins that assemble into micrometer-scale ...We describe a general computational approach to designing self-assembling helical filaments from monomeric proteins and use this approach to design proteins that assemble into micrometer-scale filaments with a wide range of geometries in vivo and in vitro. Cryo-electron microscopy structures of six designs are close to the computational design models. The filament building blocks are idealized repeat proteins, and thus the diameter of the filaments can be systematically tuned by varying the number of repeat units. The assembly and disassembly of the filaments can be controlled by engineered anchor and capping units built from monomers lacking one of the interaction surfaces. The ability to generate dynamic, highly ordered structures that span micrometers from protein monomers opens up possibilities for the fabrication of new multiscale metamaterials.
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