Characterization of bacterial photosynthetic reaction center crystals from Rhodopseudomonas sphaeroides R-26 by X-ray diffraction |
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| Authors: | C H Chang M Schiffer D Tiede U Smith J Norris |
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| Institution: | 1. Division of Biological and Medical Research Argonne National Laboratory Argonne, IL 60439, USA;2. Chemistry Division, Argonne National Laboratory Argonne, IL 60439, USA |
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| Abstract: | An orthorhombic crystal form (P2(1)2(1)2(1)) of the reaction center from the photosynthetic bacterium Rhodopseudomonas sphaeroides R-26 has been characterized. The crystals were grown from polyethylene glycol; the unit cell dimensions are a = 142.2 A, b = 139.6 A, and c = 78.7 A; and they contain one reaction center in each crystallographic asymmetric unit. The crystals diffract to at least 3.0 A resolution, and are suitable for detailed structural studies. |
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