2010 Fiscal Year Final Research Report
Non-adiabatic reaction dynamics simulation of biomolecules responding to photons
| Project/Area Number |
20608003
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
光生命科学
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| Research Institution | Kyoto University |
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Principal Investigator |
ISHIDA Toshimasa Kyoto University, 福井謙ー記念研究センター, 准教授 (50212890)
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| Co-Investigator(Kenkyū-buntansha) |
NANBU Shinkoh 上智大学, 生命理工学部, 教授 (00249955)
CHENG Wilfred C. 京都大学, 福井謙ー記念研究センター, 研究員 (90467457)
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| Project Period (FY) |
2008 – 2010
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| Keywords | 生体分子 / 原子・分子物理 / 光応答 / 反応動力学 / 非断熱遷移 |
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| Research Abstract |
We carried out reaction simulations on biomolecules responding to photons, especially retinal molecules in Rhodopsin, which is responsible for our vision. We investigated differences of retinal molecules in responses to photons: how much and how fast they react. The results that we obtained are in agreement with experiments. We found that 9-cis retinal is slower and less to react than 11-cis retinal, which exists in our eyes. This is due to the trajectory trapping in an energy barrier in the excited state produced by photons.
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[Journal Article] Syntheses, crystal structures and DFT calculations of 2-[4,5-bis(ethylsulfanyl)-1,3-dithiol-2-ylid ene]-5-(4,5-diiodo-1,3-dithiol-2-ylidene)-1,3-dithiolan-4-thione and -one2010
Author(s)
K.Ueda, K.Suzuki, K.Suzuki, K.Yoza, T.Ishida
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Journal Title
Physica B 405
Pages: S69-S74
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