The protein translocon of the plastid envelopes - PubMed (original) (raw)
. 2004 May 14;279(20):21401-5.
doi: 10.1074/jbc.M401968200. Epub 2004 Mar 21.
Affiliations
- PMID: 15033972
- DOI: 10.1074/jbc.M401968200
Free article
The protein translocon of the plastid envelopes
Aleksandar Vojta et al. J Biol Chem. 2004.
Free article
Abstract
The Toc and Tic translocon facilitate import of preproteins into chloroplasts. In the past, it was speculated that several translocon subunits act specifically for different types of precursor proteins or in different tissues. To generate a comprehensive picture of the expression and tissue-specific localization of the translocon subunits, their transcript levels were analyzed in roots and leaves. Certain Tocs and Tics were found to be tissue-specific. The protein composition of the transloci in the envelope membranes of chloroplasts was analyzed to describe the function and possible stoichiometry. In contrast to Tic subunits, several Toc subunits seem to have a high turnover.
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