2009 Fiscal Year Final Research Report
Infrared Spectroscopy of Newly Discovered Archaeal-type Rhodopsins
| Project/Area Number |
19370067
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Biophysics
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| Research Institution | Nagoya Institute of Technology |
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Principal Investigator |
KANDORI Hideki Nagoya Institute of Technology, 大学院・工学研究科, 教授 (70202033)
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| Project Period (FY) |
2007 – 2009
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| Keywords | 光生物 / 生体分子 / レチナール / 水素結合 / ナノバイオ |
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| Research Abstract |
Archaeal-type rhodopsins were found in Archaea, but the recent genome sequencing projects have revealed that archaeal rhodopsins also exist in Eukarya and Eubacteria. In this grant project, we investigated molecular mechanism of light-energy and light-signal conversions in newly discovered archaeal-type rhodopsins. Comprehensive Fourier-transform infrared (FTIR) analysis led to a finding that proton-pumping rhodopsins possess strongly hydrogen-bonded water molecules, suggesting that such an internal water is the functional determinant of light-driven proton pump.
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Research Products
(41 results)
