Mossbauer studies of the non-heme iron and cytochrome b(559) in a Chlamydomonas reinhardtii PSI- mutant and their interactions with alpha-tocopherol quinone

Burda K, Kruk J, Borgstadt R, Stanek J, Strzalka K, Schmid GH, Kruse O (2003)
FEBS LETTERS 535(1-3): 159-165.

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Abstract
Spin and valence states of the non-heme iron and the heme iron of cytochrome b(559), as well as their interactions with a-tocopherol quinone (alpha-TQ) in photosystem II (PSII) thylakoid membranes prepared from the Chlamydomonas reinhardtii PS1(-) mutant have been studied using Mossbauer spectroscopy. Both of the iron atoms are in low spin ferrous states. The Debye temperature of the non-heme is 194 K and of the heme iron is 182 K. The treatment of alpha-TQ does not change the spin and the valence states of the non-heme iron but enhances the covalence of its bonds. alpha-TQ oxidizes the heme iron into the high spin Fe3+ state. A possible role of the non-heme iron and alpha-TQ in electron flow through the PSII is discussed. (C) 2003 Federation of European Biochemical Societies. Published by Elsevier Science B.V. All rights reserved.
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Burda K, Kruk J, Borgstadt R, et al. Mossbauer studies of the non-heme iron and cytochrome b(559) in a Chlamydomonas reinhardtii PSI- mutant and their interactions with alpha-tocopherol quinone. FEBS LETTERS. 2003;535(1-3):159-165.
Burda, K., Kruk, J., Borgstadt, R., Stanek, J., Strzalka, K., Schmid, G. H., & Kruse, O. (2003). Mossbauer studies of the non-heme iron and cytochrome b(559) in a Chlamydomonas reinhardtii PSI- mutant and their interactions with alpha-tocopherol quinone. FEBS LETTERS, 535(1-3), 159-165.
Burda, K., Kruk, J., Borgstadt, R., Stanek, J., Strzalka, K., Schmid, G. H., and Kruse, O. (2003). Mossbauer studies of the non-heme iron and cytochrome b(559) in a Chlamydomonas reinhardtii PSI- mutant and their interactions with alpha-tocopherol quinone. FEBS LETTERS 535, 159-165.
Burda, K., et al., 2003. Mossbauer studies of the non-heme iron and cytochrome b(559) in a Chlamydomonas reinhardtii PSI- mutant and their interactions with alpha-tocopherol quinone. FEBS LETTERS, 535(1-3), p 159-165.
K. Burda, et al., “Mossbauer studies of the non-heme iron and cytochrome b(559) in a Chlamydomonas reinhardtii PSI- mutant and their interactions with alpha-tocopherol quinone”, FEBS LETTERS, vol. 535, 2003, pp. 159-165.
Burda, K., Kruk, J., Borgstadt, R., Stanek, J., Strzalka, K., Schmid, G.H., Kruse, O.: Mossbauer studies of the non-heme iron and cytochrome b(559) in a Chlamydomonas reinhardtii PSI- mutant and their interactions with alpha-tocopherol quinone. FEBS LETTERS. 535, 159-165 (2003).
Burda, K, Kruk, J, Borgstadt, R, Stanek, J, Strzalka, K, Schmid, GH, and Kruse, Olaf. “Mossbauer studies of the non-heme iron and cytochrome b(559) in a Chlamydomonas reinhardtii PSI- mutant and their interactions with alpha-tocopherol quinone”. FEBS LETTERS 535.1-3 (2003): 159-165.
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