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International Union of Crystallography, Acta Crystallographica Section F: Structural Biology and Crystallization Communications, 1(61), p. 83-86, 2004

DOI: 10.1107/s1744309104028945

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Crystallization and preliminary X-ray studies on the reaction center–light-harvesting 1 core complex fromRhodopseudomonas viridis

Journal article published in 2004 by Shinya Saijo, Takao Sato, Takashi Kumasaka ORCID, Nobuo Tanaka, Kazuaki Harata, Takayuki Odahara
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

The reaction center-light-harvesting 1 (RC-LH1) core complex is the photosynthetic apparatus in the membrane of the purple photosynthetic bacterium Rhodopseudomonas viridis. The RC is surrounded by an LH1 complex that is constituted of oligomers of three types of apoproteins (alpha, beta and gamma chains) with associated bacteriochlorophyll bs and carotenoid. It has been crystallized by the sitting-drop vapour-diffusion method. A promising crystal diffracted to beyond 8.0 A resolution. It belonged to space group P1, with unit-cell parameters a = 141.4, b = 136.9, c = 185.3 A, alpha = 104.6, beta = 94.0, gamma = 110.7 degrees. A Patterson function calculated using data between 15.0 and 8.0 A resolution suggested that the LH1 complex is distributed with quasi-16-fold rotational symmetry around the RC.