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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/jcc.25368
|2 doi
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|a pubmed24n0963.xml
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|a (DE-627)NLM289132096
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|a (NLM)30277590
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Ishikawa, Takeshi
|e verfasserin
|4 aut
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| 245 |
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|a RI-MP3 calculations of biomolecules based on the fragment molecular orbital method
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 18.09.2019
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|a Date Revised 18.09.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2018 Wiley Periodicals, Inc.
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|a In this study, the third-order Møller-Plesset perturbation (MP3) theory using the resolution of the identity (RI) approximation was combined with the fragment molecular orbital (FMO) method to efficiently calculate a high-order electron correlation energy of biomolecular systems. We developed a new algorithm for the RI-MP3 calculation, which can be used with the FMO scheme. After test calculations using a small molecule, the FMO-RI-MP3 calculations were performed for two biomolecular systems comprising a protein and a ligand. The computational cost of these calculations was only around 5 and 4 times higher than those of the FMO-RHF calculations. The error associated with the RI approximation was around 2.0% of the third-order correlation contribution to the total energy. However, the RI approximation error in the interaction energy between the protein and ligand molecule was insignificantly small, which reflected the negligible error in the inter fragment interaction energy. © 2018 Wiley Periodicals, Inc
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a biomolecule
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| 650 |
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|a electron correlation
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4 |
|a fragment molecular orbital method
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| 650 |
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4 |
|a resolution of the identity approximation
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| 650 |
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|a third-order Møller-Plesset perturbation theory
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| 650 |
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|a Ligands
|2 NLM
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| 650 |
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|a Proteins
|2 NLM
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| 650 |
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|a Tryptophan
|2 NLM
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| 650 |
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7 |
|a 8DUH1N11BX
|2 NLM
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| 700 |
1 |
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|a Sakakura, Kota
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mochizuki, Yuji
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of computational chemistry
|d 1984
|g 39(2018), 24 vom: 15. Sept., Seite 1970-1978
|w (DE-627)NLM098138448
|x 1096-987X
|7 nnns
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| 773 |
1 |
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|g volume:39
|g year:2018
|g number:24
|g day:15
|g month:09
|g pages:1970-1978
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|u http://dx.doi.org/10.1002/jcc.25368
|3 Volltext
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|d 39
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