Cytochrome bc complexes: a common core of structure and function surrounded by diversity in the outlying provinces.
Cytochrome bc complexes: a common core of structure and function surrounded by diversity in the outlying provinces.
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DOI:
10.1016/j.sbi.2004.06.004
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发表时间:
2004-08
影响因子:
6.8
通讯作者:
Janet L. Smith;Huamin Zhang;Jiusheng Yan;G. Kurisu;W. Cramer
中科院分区:
文献类型:
--
作者:
Janet L. Smith;Huamin Zhang;Jiusheng Yan;G. Kurisu;W. Cramer
The atomic-level picture of transmembrane protein complexes in the photosynthetic membrane has now been completed by the recent publication of crystal structures of cytochrome b6f and photosystem II. The two structures of cytochrome b6f, together with previously reported structures of the cytochrome bc1respiratory complex, provide a basis for understanding the central electron and proton transfer events of photosynthesis and respiration. The protein structures and charge transfer events within the core of the complexes are highly similar, but the complexes differ in subunit and chromophore composition in proportion to the distance from the central redox site within the membrane near the electropositive side.