Article
Affixing N-terminal α-helix to the wall of the voltage-dependent anion channel does not prevent its voltage gating.
The Journal of biological chemistry - 30 Mar 2012
Teijido Oscar, Ujwal Rachna, Hillerdal Carl-Olof, Kullman Lisen, Rostovtseva Tatiana K, Abramson Jeff
Abstract excerpt
The voltage-dependent anion channel (VDAC) governs the free exchange of ions and metabolites between the mitochondria and the rest of the cell. The three-dimensional structure of VDAC1 reveals a channel formed by 19 β-strands and an N-terminal α-helix located near the midpoint of the pore. The position of this α-helix causes a narrowing of the cavity, but ample space for metabolite passage remains. The...
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