Article
Involvement of Acidic Amino Acid Residues in Zn(2+) Binding to Respiratory Complex I.
Chembiochem : a European journal of chemical biology - 21 Sept 2015
Kriegel Sébastien, Srour Batoul, Steimle Stefan, Friedrich Thorsten, Hellwig Petra
Abstract excerpt
Proton transfer across membranes and membrane proteins is a central process in biological systems. Zn(2+) ions are capable of binding to acidic residues, often found within such specific pathways, thereby leading to a blockage. Here we probed Zn(2+) inhibition of the proton-pumping NADH:ubiquinone oxidoreductase from Escherichia coli by means of electrochemically induced FTIR difference spectroscopy. Numerous...
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