Infrared Difference Spectroscopy of Pigments and Redox Components in the Bacterial Reaction Center: Comparison with Model Compounds View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

1990

AUTHORS

W. Mäntele , R. Hienerwadel , M. Bauscher , M. Leonhard , D. A. Moss , E. Nabedryk , D. Thibodeau , J. Breton

ABSTRACT

The primary photochemistry in bacterial photosynthesis involves a charge separation, stable for milliseconds to seconds, between specialized pigments and redox components. In bacterial reaction centers (RC), the identity and spatial arrangement of these components within the protein matrix is known from crystallographic and spectroscopic data. The specifity, efficiency and stability of primary charge separation relies on specific interactions of the pigments and redox components with the protein. These interactions are able to support different redox states of the pigments and quinones via different binding properties. While the X-ray structures available for bacterial RC provide a static picture of the quiescent state and suggest specific interactions of the pigments and quinones with their host site, additional information on the mechanisms and the dynamics of primary electron transfer, with the concomitant change of interactions and protein conformation, is needed from spectroscopic techniques. More... »

PAGES

85-88

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-94-009-0511-5_15

DOI

http://dx.doi.org/10.1007/978-94-009-0511-5_15

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1012183452


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