6g6u
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The dynamic nature of the VDAC1 channels in bilayers: human VDAC1 at 2.7 Angstrom resolution
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Structural highlights
FunctionVDAC1_HUMAN Forms a channel through the mitochondrial outer membrane and also the plasma membrane. The channel at the outer mitochondrial membrane allows diffusion of small hydrophilic molecules; in the plasma membrane it is involved in cell volume regulation and apoptosis. It adopts an open conformation at low or zero membrane potential and a closed conformation at potentials above 30-40 mV. The open state has a weak anion selectivity whereas the closed state is cation-selective. May participate in the formation of the permeability transition pore complex (PTPC) responsible for the release of mitochondrial products that triggers apoptosis.[1] [2] [3] See AlsoReferences
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This page was last modified 12:40, 6 November 2024.