期刊
FEBS LETTERS
卷 579, 期 21, 页码 4808-4812出版社
WILEY
DOI: 10.1016/j.febslet.2005.07.061
关键词
photosystem I; protein phosphorylation; state transitions; thylakoids; Arabidopsis
We show that the thylakoid membrane phosphoprotein TMP14 is a novel subunit of plant photosystem I (PSI). Blue native/SDS-PAGE and sucrose gradient fractionation demonstrated the association of the protein exclusively with PSI. We designate the protein PSI-P. The presence of PSI-P subunit in Arabidopsis mutants lacking other PSI subunits was analyzed and suggested a location in the proximity of PSI-L, -H and -O subunits. The PSI-P protein was not differentially phosphorylated in state 1 and state 2. (c) 2005 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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