The envelope anion channel involved in chloroplast protein import is associated with Tic110. |
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| Authors: | P W van den Wijngaard W J Vredenberg |
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| Affiliation: | Laboratory of Plant Physiology, Wageningen Agricultural University, Arboretumlaan 4, 6703 BD Wageningen, The Netherlands. paul.vandenwijngaard@guest.pf.wau.nl |
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| Abstract: | An anion channel of the chloroplast envelope was previously shown to be involved in protein import. Some gating characteristics of the channel are presented. The pore size of the channel is estimated to be around 6.5 A. Antibodies raised to Tic110 completely inactivate the protein import-related channel. These observations suggest that the channel is associated with the Tic machinery and can function as the protein conducting channel of the inner envelope membrane. |
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