A Nitrogenase Cluster Model [Fe8S6O] with an Oxygen Unsymmetrically Bridging Two Proto-Fe4S3 Cubes: Relevancy to the Substrate Binding Mode of the FeMo Cofactor
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https://figshare.com/articles/dataset/A_Nitrogenase_Cluster_Model_Fe_sub_8_sub_S_sub_6_sub_O_with_an_Oxygen_Unsymmetrically_Bridging_Two_Proto_Fe_sub_4_sub_S_sub_3_sub_Cubes_Relevancy_to_the_Substrate_Binding_Mode_of_the_FeMo_Cofactor/2472361
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An oxygen-encapsulated iron sulfido cluster, [(DmpS)Fe4S3O][(DmpS)Fe4S3](μ-SDmp)2(μ-OCPh3) (2; Dmp = 2,6-(mesityl)2C6H3), has been synthesized by the reaction of the preformed dinuclear iron thiolate/alkoxide [(Ph3CO)Fe]2(μ-SDmp)2 (1) with 1/8S8 and 1/4H2O in toluene. In the [Fe8S6O] core, the oxygen atom bridges unsymmetrically two incomplete Fe4S3 cubes, and two coordinatively unsaturated iron atoms are weakly bound to mesityl rings. Relevance of the cluster structure of 2 to the nitrogenase FeMo cofactor and its substrate binding mode is discussed.
创建时间：
2016-02-20
