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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/jcc.25861
|2 doi
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|a pubmed25n0990.xml
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|a (DE-627)NLM297096575
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|a (NLM)31090948
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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 Hirano, Ryosuke
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Development of an ATP force field for coarse-grained simulation of ATPases and its application to the maltose transporter
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 11.08.2020
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|a Date Revised 11.08.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2019 Wiley Periodicals, Inc.
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|a The biological functions of ATPases, such as myosin, kinesin, and ABC transporter, are due to large conformational motions driven by energy obtained from ATP. Elucidation of the mechanisms underlying these ATP-driven movements is one of the greatest challenges in computational chemistry. It has been shown that the MARTINI coarse-grained method is a promising tool for the investigation of large conformational motions in various proteins. However, this method has not yet been applied to ATPases because of the lack of a force field for the ATP molecule. Here, we developed force field parameters for the ATP molecule and conducted simulations using these parameters for the subunits (MalK2 ) and the full-length structure (MalFGK2 -E) of a maltose transporter. It was found for both targets that the dimerization of the nucleotide binding domains (NBDs) is induced upon ATP binding. Moreover, for the full-length transporter, the conformational transition from the pre-translocation state to the outward-facing state was observed and was accompanied by an initial transport motion of the substrate. It is expected that coarse-grained simulations utilizing the parameters for the ATP molecule developed here will serve as a powerful tool for investigating other ATPases as well. © 2019 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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4 |
|a ABC transporter
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| 650 |
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|a ATP
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| 650 |
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4 |
|a coarse-grained (CG) simulation
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| 650 |
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4 |
|a conformational change
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| 650 |
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4 |
|a substrate transport
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| 650 |
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|a ATP-Binding Cassette Transporters
|2 NLM
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| 650 |
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|a Maltose
|2 NLM
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| 650 |
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7 |
|a 69-79-4
|2 NLM
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| 650 |
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7 |
|a Adenosine Triphosphate
|2 NLM
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| 650 |
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7 |
|a 8L70Q75FXE
|2 NLM
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| 650 |
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7 |
|a Adenosine Triphosphatases
|2 NLM
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| 650 |
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7 |
|a EC 3.6.1.-
|2 NLM
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| 700 |
1 |
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|a Yabuchi, Tsubasa
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sakurai, Minoru
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Furuta, Tadaomi
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Journal of computational chemistry
|d 1984
|g 40(2019), 24 vom: 15. Sept., Seite 2096-2102
|w (DE-627)NLM098138448
|x 1096-987X
|7 nnas
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| 773 |
1 |
8 |
|g volume:40
|g year:2019
|g number:24
|g day:15
|g month:09
|g pages:2096-2102
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| 856 |
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|u http://dx.doi.org/10.1002/jcc.25861
|3 Volltext
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|a AR
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|d 40
|j 2019
|e 24
|b 15
|c 09
|h 2096-2102
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