Article
Functional analysis of the conserved hydrophobic gate region of the magnesium transporter CorA.
Biochimica et biophysica acta - 1 Jun 2011
Svidová Soňa, Sponder Gerhard, Schweyen Rudolf J, Djinović-Carugo Kristina
Abstract excerpt
The Leu294 residue in the cytoplasmic neck of Thermotoga maritima CorA is considered to be the main gate for Mg2+ transport. We created three site-directed mutants at this position: in the Leu294Asp and Leu294Gly mutants we observed a defect in closing of the pore, while in the Leu294Arg mutant not only gating, but also the regulation of Mg2+ uptake was affected. Our results confirmed the importance of the Leu294...
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