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Evidence for direct interaction between the chlorophyll-proteins CP29 and CP47 in photosystem II.

作者信息

Rigoni F, Barbato R, Friso G, Giacometti G M

机构信息

Dipartimento di Biologia, Università di Padova, Italy.

出版信息

Biochem Biophys Res Commun. 1992 Apr 30;184(2):1094-100. doi: 10.1016/0006-291x(92)90704-o.

DOI:10.1016/0006-291x(92)90704-o
PMID:1575729
Abstract

Fractionation by anionic-exchange chromatography of an oxygen-evolving photosystem II complex solubilized with 10 mM dodecyl maltoside shows the existence of a sovra-molecular complex between the internal chlorophyll a antenna CP47 and the chlorophyll a/b minor antenna CP29. The chromatographic result is confirmed by a cross-linking experiment which brings about a binary conjugate formed by CP47 and CP29. The sovra-molecular complex between the two chlorophyll protein-complexes has a low temperature fluorescence emission red shifted with respect to the two isolated antenna components. A possible two arms antenna topology for photosystem II is suggested.

摘要

相似文献

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Evidence for direct interaction between the chlorophyll-proteins CP29 and CP47 in photosystem II.
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