Single-molecule spectroscopy of a structural change of a protein

Hiroyuki Oikawa; Satoru Fujiyoshi; Takehisa Dewa; Mamoru Nango; Michio Matsushita

Single-molecule spectroscopy of a structural change of a protein

Hiroyuki Oikawa, Satoru Fujiyoshi, Takehisa Dewa, Mamoru Nango, Michio Matsushita

Division of Organic- and Biomaterials Research

Research output: Contribution to journal › Article › peer-review

Abstract

Temperature dependence between 5 and 18 K of the spectral jump of individual B800 pigments in a light-harvesting 2 complex, revealed structural change of the complex occurring at a rate independent of temperature. The process is ascribed to tunneling of a proton of hydrogen bond at the pigment binding site.

Original language	English
Pages (from-to)	80-81
Number of pages	2
Journal	Kobunshi
Volume	60
Issue number	2
Publication status	Published - 2011 Feb 1

Keywords

Binding site
Hydrogen bond
Light-harvesting 2 complex
Proton tunneling
Single-molecule spectroscopy
Spectral jump

ASJC Scopus subject areas

Chemical Engineering(all)

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title = "Single-molecule spectroscopy of a structural change of a protein",

abstract = "Temperature dependence between 5 and 18 K of the spectral jump of individual B800 pigments in a light-harvesting 2 complex, revealed structural change of the complex occurring at a rate independent of temperature. The process is ascribed to tunneling of a proton of hydrogen bond at the pigment binding site.",

keywords = "Binding site, Hydrogen bond, Light-harvesting 2 complex, Proton tunneling, Single-molecule spectroscopy, Spectral jump",

author = "Hiroyuki Oikawa and Satoru Fujiyoshi and Takehisa Dewa and Mamoru Nango and Michio Matsushita",

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language = "English",

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T1 - Single-molecule spectroscopy of a structural change of a protein

AU - Oikawa, Hiroyuki

AU - Fujiyoshi, Satoru

AU - Dewa, Takehisa

AU - Nango, Mamoru

AU - Matsushita, Michio

PY - 2011/2/1

Y1 - 2011/2/1

N2 - Temperature dependence between 5 and 18 K of the spectral jump of individual B800 pigments in a light-harvesting 2 complex, revealed structural change of the complex occurring at a rate independent of temperature. The process is ascribed to tunneling of a proton of hydrogen bond at the pigment binding site.

AB - Temperature dependence between 5 and 18 K of the spectral jump of individual B800 pigments in a light-harvesting 2 complex, revealed structural change of the complex occurring at a rate independent of temperature. The process is ascribed to tunneling of a proton of hydrogen bond at the pigment binding site.

KW - Binding site

KW - Hydrogen bond

KW - Light-harvesting 2 complex

KW - Proton tunneling

KW - Single-molecule spectroscopy

KW - Spectral jump

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