QM/MM calculation of protein magnetic shielding tensors with generalized hybrid-orbital method: A GIAO approach
Literature Information
Publication Date
2011-07-15
DOI
10.1039/C1CP21001G
Impact Factor
3.676
Authors
Yoshinobu Akinaga, Jaewoon Jung, Seiichiro Ten-no
View Original
Abstract
A method to compute magnetic shielding tensors with generalized hybrid-orbital (GHO) QM/MM scheme is developed at the levels of Hartree–Fock and second-order Møller–Plesset perturbation theory using gauge-including atomic orbitals. A feature of the GHO method is utilized to ensure gauge-origin independency of GHO shielding tensors in a simple way. The benchmark calculations indicate that the GHO method reproduced full-QM shielding constants nearly quantitatively for atoms not directly coupled to the GHO linking atoms. As an application to a realistic protein, carbon chemical shifts are calculated for the retinal chromophore in visual rhodopsin.
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Source Journal
Physical Chemistry Chemical Physics
CiteScore:
5.5
Self-citation Rate:
10.3%
Articles per Year:
3036
Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.
Recommended Compounds
3-Chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-pyridinamine
CAS Number:
1032758-99-8
Molecular Formula:
C11H16BClN2O2
![Pyrazolo[1,5-a]pyridine-3-carbothioamide structure](https://static.chemtradehub.com/structs/885/885275-44-5-aae0.webp "Pyrazolo[1,5-a]pyridine-3-carbothioamide structure")
![6-Benzyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridin-3(2H)-one structure](https://static.chemtradehub.com/structs/909/909187-64-0-f54f.webp "6-Benzyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridin-3(2H)-one structure")
6-Benzyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridin-3(2H)-one
CAS Number:
909187-64-0
Molecular Formula:
C13H15N3O
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