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Orthogonal Labeling of M13 Minor Capsid Proteins with DNA to Self-Assemble End-to-End Multiphage Structures

Author(s)
Hess, Gaelen T.; Guimaraes, Carla P.; Spooner, Eric; Ploegh, Hidde; Belcher, Angela M.
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Abstract
M13 bacteriophage has been used as a scaffold to organize materials for various applications. Building more complex multiphage devices requires precise control of interactions between the M13 capsid proteins. Toward this end, we engineered a loop structure onto the pIII capsid protein of M13 bacteriophage to enable sortase-mediated labeling reactions for C-terminal display. Combining this with N-terminal sortase-mediated labeling, we thus created a phage scaffold that can be labeled orthogonally on three capsid proteins: the body and both ends. We show that covalent attachment of different DNA oligonucleotides at the ends of the new phage structure enables formation of multiphage particles oriented in a specific order. These have potential as nanoscale scaffolds for multi-material devices.
Date issued
2013-09
URI
http://hdl.handle.net/1721.1/91653
Department
David H. Koch Institute for Integrative Cancer Research at MIT; Massachusetts Institute of Technology. Department of Biological Engineering; Massachusetts Institute of Technology. Department of Biology; Massachusetts Institute of Technology. Department of Materials Science and Engineering
Journal
ACS Synthetic Biology
Publisher
American Chemical Society (ACS)
Citation
Hess, Gaelen T., Carla P. Guimaraes, Eric Spooner, Hidde L. Ploegh, and Angela M. Belcher. “Orthogonal Labeling of M13 Minor Capsid Proteins with DNA to Self-Assemble End-to-End Multiphage Structures.” ACS Synthetic Biology 2, no. 9 (September 20, 2013): 490–496. © 2013 American Chemical Society.
Version: Final published version
ISSN
2161-5063
2161-5063

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