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  • Title: Structure of the reaction center from Rhodobacter sphaeroides R-26: the cofactors.
    Author: Allen JP, Feher G, Yeates TO, Komiya H, Rees DC.
    Journal: Proc Natl Acad Sci U S A; 1987 Aug; 84(16):5730-4. PubMed ID: 3303032.
    Abstract:
    The three-dimensional structure of the cofactors of the reaction center of Rhodobacter sphaeroides R-26 has been determined by x-ray diffraction and refined at a resolution of 2.8 A with an R value of 26%. The main features of the structure are similar to the ones determined for Rhodopseudomonas viridis [Michel, H., Epp, O. & Deisenhofer, J. (1986) EMBO J. 5, 2445-2451]. The cofactors are arranged along two branches, which are approximately related to each other by a 2-fold symmetry axis. The structure is well suited to produce light-induced charge separation across the membrane. Most of the structural features predicted from physical and biochemical measurements are confirmed by the x-ray structure.
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