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    Bridging the Bridging Imidazolate in the Bimetallic Center of the Cu/Zn SOD1 and ALS
    (FRONTIERS MEDIA SA, 2021-01-01) Timucin, Ahmet Can; Cinaroglu, Suleyman Selim; Sezerman, Osman Ugur; Timucin, Emel
    Metallation status of human Cu/Zn superoxide dismutase 1 (SOD1) plays a pivotal role in the pathogenesis of amyotrophic lateral sclerosis (ALS). All of the amino acids found in the bimetallic center have been associated with ALS except for two positions. H63 which forms the bridging imidazolate ion in the bimetallic center and K136 which is not directly involved in coordination but located in the bimetallic center were not reported to be mutated in any of the identified ALS cases. In this study, we investigated the structure and flexibility of five SOD1 variants by using classical molecular dynamics simulations. These variants include three substitutions on the non-ALS-linked positions