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  • Title: Structural basis of bacterial photosynthetic reaction centers.
    Author: Nogi T, Miki K.
    Journal: J Biochem; 2001 Sep; 130(3):319-29. PubMed ID: 11530006.
    Abstract:
    The photosynthetic reaction center (RC) is the first membrane protein whose three-dimensional structure was revealed at the atomic level by X-ray crystallograph more than fifteen years ago. Structural information about RC made a great contribution to the understanding of the reaction mechanism of the complicated membrane protein complex. High-resolution structures of RCs from three photosynthetic bacteria are now available, namely, those from two mesophilic purple non-sulfur bacteria, Blastochloris viridis and Rhodobacter sphaeroides, and that from a thermophilic purple sulfur bacterium, Thermochromatium tepidum. In addition, a variety of structural studies, mainly by X-ray crystallography, are still being performed to give more detailed insight into the reaction mechanism of this membrane protein. This review deals with structural studies of bacterial RC complexes, and a discussion about the electron transfer reaction between RCs and electron donors is the main focus out of several topics addressed by these structural studies. The structural data from three RCs and their electron donors provided reliable models for molecular recognition in the primary step of bacterial photosynthesis.
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