The electronic structure of genome editors from the first principles
The electronic structure of genome editors from the first principles
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从第一原理看基因组编辑器的电子结构
DOI:
10.1088/2516-1075/acb410
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发表时间:
2023
影响因子:
2.6
通讯作者:
Palermo, Giulia
中科院分区:
文献类型:
--
作者:
Nierzwicki, Łukasz;Ahsan, Mohd;Palermo, Giulia
Ab-initio molecular dynamics enables following the dynamics of biological systems from the first principles, describing the electronic structure and offering the opportunity to" watch" the evolution of biochemical processes with unique resolution, beyond the capabilities of state-of-the-art experimental techniques. This article reports the role of first-principles (ab-initio) molecular dynamics (MD) in the CRISPR-Cas9 genome editing revolution, achieving a profound understanding of the enzymatic function and offering valuable insights for enzyme engineering. We introduce the methodologies and explain the use of ab-initio MD simulations to establish the two-metal dependent mechanism of DNA cleavage in the RuvC domain of the Cas9 enzyme, and how a second catalytic domain, HNH, cleaves the target DNA with the aid of a single metal ion. A detailed description of how ab-initio MD is combined with free-energy methods—ie, thermodynamic integration and metadynamics—to break and form chemical bonds is given, explaining the use of these methods to determine the chemical landscape and establish the catalytic mechanism in CRISPR-Cas9. The critical role of classical methods is also discussed, explaining theory and application of constant pH MD simulations, used to accurately predict the catalytic residues' protonation states. Overall, first-principles methods are shown to unravel the electronic structure and reveal the catalytic mechanism of the Cas9 enzyme, providing valuable insights that can serve for the design of genome editing tools with improved catalytic efficiency or controllable activity.
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影响因子:
56.9
作者:
Jiang, Fuguo;Zhou, Kaihong;Doudna, Jennifer A.
通讯作者:
Doudna, Jennifer A.
影响因子:
56.9
作者:
Jinek, Martin;Chylinski, Krzysztof;Charpentier, Emmanuelle
通讯作者:
Charpentier, Emmanuelle
DOI:
--
发表时间:
2018
期刊:
Biochimica et biophysica acta
影响因子:
--
作者:
M. Jinek;Krzysztof Chylinski;Ines Fonfara;Michael Hauer;A. Jennifer;Doudna;Emmanuelle Charpentier
通讯作者:
M. Jinek;Krzysztof Chylinski;Ines Fonfara;Michael Hauer;A. Jennifer;Doudna;Emmanuelle Charpentier
影响因子:
5
作者:
Mitchell, Brandon P.;Hsu, Rohaine, V;Palermo, Giulia
通讯作者:
Palermo, Giulia
影响因子:
64.5
作者:
Pacesa M;Lin CH;Cléry A;Saha A;Arantes PR;Bargsten K;Irby MJ;Allain FH;Palermo G;Cameron P;Donohoue PD;Jinek M
通讯作者:
Jinek M