Abstract
Photosystem II is a key component of the photosynthetic pathway producing oxygen at the thylakoid membrane of cyanobacteria, green algae, and plants. The three-dimensional structure of photosystem II from the cyanobacterium Thermosynechococcus elongates in a complex with herbicide terbutryn (a photosynthesis inhibitor) was determined for the first time by X-ray diffraction and refined at 3.2 Å resolution (R factor = 26.9%, R free = 29.9%, rmsd for bond lengths is 0.013 Å, and rmsd for bond angles is 2.2°). The terbutryn molecule was located in the binding pocket of the mobile plastoquinone. The atomic coordinates of the refined structure of photosystem II in a complex with terbutryn were deposited in the Protein Data Bank.
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Dedicated to the memory of N.V. Belov
Original Russian Text © A.G. Gabdulkhakov, M.V. Dontsova, W. Saenger, 2011, published in Kristallografiya, 2011, Vol. 56, No. 6, pp. 1123–1128.
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Gabdulkhakov, A.G., Dontsova, M.V. & Saenger, W. Three-dimensional structure of photosystem II from Thermosynechococcus elongates in complex with terbutryn. Crystallogr. Rep. 56, 1054–1059 (2011). https://doi.org/10.1134/S1063774511050099
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DOI: https://doi.org/10.1134/S1063774511050099