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Structure and Function of the Photosynthetic Reaction Center from Rhodobacter sphaeroides

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Ermler,  Ulrich       
Department of Molecular Membrane Biology, Max Planck Institute of Biophysics, Max Planck Society;

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Michel,  Hartmut       
Department of Molecular Membrane Biology, Max Planck Institute of Biophysics, Max Planck Society;

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Citation

Ermler, U., Michel, H., & Schiffer, M. (1994). Structure and Function of the Photosynthetic Reaction Center from Rhodobacter sphaeroides. Journal of Bioenergetics and Biomembranes, 26(1), 5-15. doi:10.1007/BF00763216.


Cite as: https://hdl.handle.net/21.11116/0000-0007-05ED-9
Abstract
The three-dimensional structure of the photosynthetic reaction center from Rhodobacter sphaeroides is described. The reaction center is a transmembrane protein that converts light into chemical energy. The protein has three subunits: L, M, and H. The mostly helical L and M subunits provide the scaffolding and the finely tuned environment in which the chromophores carry out electron transfer. The details of the protein-chromophore interactions are from studies of a trigonal crystal form that diffracted to 2.65-A resolution. Functional studies of the multi-subunit complex by site-specific replacement of key amino acid residues are summarized in the context of the molecular structure.