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[Preprint]. 2023 Aug 15:2023.08.12.553106. [Version 1] doi: 10.1101/2023.08.12.553106

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Fig. 2 | — a, Mg²⁺ ions (purple spheres) identified in the structure of MRS2 in the presence of Mg²⁺. Also shown are the details of the three Mg²⁺ ions (site 1 and 2) coordinated within the channel. Only two adjacent subunits are shown for clarity. b, Orthogonal view as in (a). c, Ca²⁺ ions (yellow spheres) in the MRS2_Ca structure.