Ion and inhibitor binding of the double-ring ion selectivity filter of the mitochondrial calcium uniporter [Biochemistry]

The calcium (Ca2+) uniporter of mitochondria is a holocomplex consisting of the Ca2+-conducting channel, known as mitochondrial calcium uniporter (MCU), and several accessory and regulatory components. A previous electrophysiology study found that the uniporter has high Ca2+ selectivity and conductance and this depends critically on the conserved amino acid sequence...

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