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Calcium regulation of chloroplast protein translocation is mediated by calmodulin binding to Tic32.

Abstract:

The import of nuclear-encoded proteins into chloroplasts is tightly controlled on both sides of the envelope membranes. Regulatory circuits include redox-control as well as calcium-regulation, with calmodulin being the likely mediator of the latter. Using affinity-chromatography on calmodulin-agarose, we could identify the inner envelope translocon component Tic32 as the predominant calmodulin-binding protein of this membrane. Calmodulin-binding assays corroborate the interaction for heterolo...

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Publication status:
Published

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Publisher copy:
10.1073/pnas.0607150103

Authors


Hörmann, F More by this author
Stammers, DK More by this author
Bölter, B More by this author
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Journal:
Proceedings of the National Academy of Sciences of the United States of America
Volume:
103
Issue:
43
Pages:
16051-16056
Publication date:
2006-10-05
DOI:
EISSN:
1091-6490
ISSN:
0027-8424
URN:
uuid:3aabd425-1963-4d4d-9399-dc33385a238e
Source identifiers:
72639
Local pid:
pubs:72639

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