PetG and PetN, but not PetL, are essential subunits of the cytochrome b6f complex from Synechocystis PCC 6803 |
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| Authors: | Schneider Dirk Volkmer Thomas Rögner Matthias |
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| Affiliation: | 1. Institut für Biochemie und Molekularbiologie, Albert-Ludwigs-Universität Freiburg, Stefan-Meier-Strasse 19, 79104 Freiburg, Germany;2. Lehrstuhl für Biochemie der Pflanzen, Ruhr-Universität Bochum, Universitätsstrasse 150, 44801 Bochum, Germany;1. Laboratory of Synthetic Microbiology, School of Chemical Engineering & Technology, Tianjin University, Tianjin, PR China;2. Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, PR China;3. SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering, Tianjin, PR China;4. Center for Biosafety Research and Strategy, Tianjin University, Tianjin, PR China;1. Research Center for RNA Science, RIST, Tokyo University of Science, Noda, Chiba 278-8510, Japan;2. Department of Biology, Faculty of Science, Tokyo University of Science, Shinjuku, Tokyo 162-8601, Japan;3. Kazusa DNA Research Institute, Kisarazu, Chiba 292-0818, Japan |
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| Abstract: | The cytochrome b(6)f complex consists of four large core subunits and an additional four low molecular weight subunits, the function of which is elusive thus far. Here we sought to determine whether small subunits PetG, PetL, and PetN are essential for a cyanobacterial cytochrome b(6)f complex. We found that only PetL is dispensable, whereas PetG and PetN appear to be essential. Possible roles of the small cytochrome b(6)f complex subunits are discussed, and observations from our study are compared with previous findings. |
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