Localization and functional characterization of metal-binding sites in phytochelatin synthases.

Abstract excerpt

Metal-binding domains consisting of short, contiguous stretches of amino acids are found in many proteins mediating the transport, buffering, trafficking or detoxification of metal ions. Phytochelatin synthases are metal-activated enzymes that function in the detoxification of Cd(2+) and other toxic metal and metalloid ions. In order to localize Cd(2+)-binding sites, peptide libraries of two diverse phytochelatin...

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