Molecular Design of Photocatalysts Based on 'Peptide Origami' toward Nitrite Reductase Mimics
| Project/Area Number |
21550163
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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 |
Chemistry related to living body
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| Research Institution | Kitasato University |
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Principal Investigator |
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| Project Period (FY) |
2009 – 2011
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| Project Status |
Completed (Fiscal Year 2011)
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| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2011: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2010: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2009: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Keywords | 人工タンパク質 / ペプチド / 非天然アミノ酸 / ビピリジン / ルテニウム / 光触媒 / 光電子移動 |
|---|
| Research Abstract |
The 'Peptide Origami' is a synthetic strategy of functional metal-peptide complexes. In this strategy, the peptides containing unnatural amino acids capable of coordinating to metal ions fold by coordination to produce functional molecules. This study aims at synthesis of photocatalysts, in which the photo-sensitizing part attaches to the catalytic one, by using the 'Peptide Origami strategy. This reports (1) reevaluation of the emission quantum yield of[Ru(bpy)_3]^<2+>(bpy=2, 2'-bipyridine), (2) the chain reaction for isomerization from trans to cis(Cl)-Ru(bpy)(CO)_2Cl_2, (3) synthesis of the photo-induced charge separation system which consists of a ruthenium-peptide complex, (4) stereoselective formation of chiral metallopeptides, and (5) synthesis of the peptide containing histidine and the unnatural bipyridyl-type amino acid.
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Report
(4 results)
Research Products
(71 results)
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[Journal Article]2009
Author(s)
石田斉(分担執筆)
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Journal Title
『超分子サイエシス:基礎からイノベーションまで』国武豊喜監修 第4章バイオ超分子、第3節 タンパク質の超分子化学、「4 光機能性人工タンパク質」(エヌ・ティー・エス)
Pages: 1009-1017
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[Presentation] Synthesis of Catenane Peptide2010
Author(s)
H.Ishida, T.Hitomi, S.Oishi
Organizer
Frontiers in Peptide Chemistry : Synthesis and Applications (#41) in 2010 International Chemical Congress of Pacific Basin Societies (PACIFICHEM2010)
Place of Presentation
310 THEATRE(Convention Center), Honolulu, Hawaii, USA(Oral, selected)
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