Protospacer Adjacent Motif-Induced Allostery Activates CRISPR-Cas9
Abstract
CRISPR-Cas9 is a genome editing technology with major impact in life sciences. In this system, the endonuclease Cas9 generates double strand breaks in DNA upon RNA-guided recognition of a complementary DNA sequence, which strictly requires the presence of a protospacer adjacent motif (PAM) next to the target site. Although PAM recognition is essential for cleavage, it is unknown whether and how PAM binding activates Cas9 for DNA cleavage at spatially distant sites. Here, we find evidence of a PAM-induced allosteric mechanism revealed by microsecond molecular dynamics simulations. PAM acts as an allosteric effector and triggers the interdependent conformational dynamics of the Cas9 catalytic domains (HNH and RuvC), responsible for concerted cleavage of the two DNA strands. As a result, targeting such an allosteric mechanism should enable control of CRISPR-Cas9 functionality.
- Authors:
-
- Univ. of California San Diego, La Jolla, CA (United States)
- Yale Univ., New Haven, CT (United States)
- Univ. of Zurich, Zurich (Switzerland)
- Univ. Claude Bernard Lyon, Lyon (France)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1489021
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of the American Chemical Society
- Additional Journal Information:
- Journal Volume: 139; Journal Issue: 45; Journal ID: ISSN 0002-7863
- Publisher:
- American Chemical Society (ACS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 60 APPLIED LIFE SCIENCES
Citation Formats
Palermo, Giulia, Ricci, Clarisse G., Fernando, Amendra, Basak, Rajshekhar, Jinek, Martin, Rivalta, Ivan, Batista, Victor S., and McCammon, J. Andrew. Protospacer Adjacent Motif-Induced Allostery Activates CRISPR-Cas9. United States: N. p., 2017.
Web. doi:10.1021/jacs.7b05313.
Palermo, Giulia, Ricci, Clarisse G., Fernando, Amendra, Basak, Rajshekhar, Jinek, Martin, Rivalta, Ivan, Batista, Victor S., & McCammon, J. Andrew. Protospacer Adjacent Motif-Induced Allostery Activates CRISPR-Cas9. United States. https://doi.org/10.1021/jacs.7b05313
Palermo, Giulia, Ricci, Clarisse G., Fernando, Amendra, Basak, Rajshekhar, Jinek, Martin, Rivalta, Ivan, Batista, Victor S., and McCammon, J. Andrew. Wed .
"Protospacer Adjacent Motif-Induced Allostery Activates CRISPR-Cas9". United States. https://doi.org/10.1021/jacs.7b05313. https://www.osti.gov/servlets/purl/1489021.
@article{osti_1489021,
title = {Protospacer Adjacent Motif-Induced Allostery Activates CRISPR-Cas9},
author = {Palermo, Giulia and Ricci, Clarisse G. and Fernando, Amendra and Basak, Rajshekhar and Jinek, Martin and Rivalta, Ivan and Batista, Victor S. and McCammon, J. Andrew},
abstractNote = {CRISPR-Cas9 is a genome editing technology with major impact in life sciences. In this system, the endonuclease Cas9 generates double strand breaks in DNA upon RNA-guided recognition of a complementary DNA sequence, which strictly requires the presence of a protospacer adjacent motif (PAM) next to the target site. Although PAM recognition is essential for cleavage, it is unknown whether and how PAM binding activates Cas9 for DNA cleavage at spatially distant sites. Here, we find evidence of a PAM-induced allosteric mechanism revealed by microsecond molecular dynamics simulations. PAM acts as an allosteric effector and triggers the interdependent conformational dynamics of the Cas9 catalytic domains (HNH and RuvC), responsible for concerted cleavage of the two DNA strands. As a result, targeting such an allosteric mechanism should enable control of CRISPR-Cas9 functionality.},
doi = {10.1021/jacs.7b05313},
journal = {Journal of the American Chemical Society},
number = 45,
volume = 139,
place = {United States},
year = {Wed Aug 02 00:00:00 EDT 2017},
month = {Wed Aug 02 00:00:00 EDT 2017}
}
Web of Science
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Figures / Tables found in this record: