Characterisation of electron acceptors A0 and A1 in cyanobacterial Photosystem I |
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| Affiliation: | 1. Faculty of Foundry Engineering, AGH University of Science and Technology, 30-059 Krakow, Poland;2. Department of Chemistry, School of Science and Technology, Kwansei-Gakuin University, 2-1, Gakuen, Sanda, Hyogo 669-1337, Japan;3. Academic Centre for Materials and Nanotechnology, AGH University of Science and Technology, 30-055 Krakow, Poland;4. Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland;1. Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachi-Oji, Tokyo 192-0397, Japan;2. Institute of Chemistry, Eötvös Loránd University Pázmány P. s., 1/A, Budapest 1117, Hungary;3. Department of Physics, Faculty of Science, Al-Azher University, Assiut 71542, Egypt;4. Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia |
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| Abstract: | Preparations of cyanobacterial Photosystem I were compared to those of pea Photosystem I using ESR spectroscopy. Photoreduced samples were illuminated at cryogenic temperatures with ESR spectra taken at 205 K. After illumination at 205 K and 230 K, signals appeared which correspond to the shape and position of the signals assigned to A1 and A0, respectively, in higher plant Photosystem I. |
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