Article
Mutagenesis of the phosphate-binding pocket of KDPG aldolase enhances selectivity for hydrophobic substrates.
Protein science : a publication of the Protein Society - 1 Nov 2007
Cheriyan Manoj, Toone Eric J, Fierke Carol A
Abstract excerpt
Narrow substrate specificities often limit the use of enzymes in biocatalysis. To further the development of Escherichia coli 2-keto-3-deoxy-6-phosphogluconate (KDPG) aldolase as a biocatalyst, the molecular determinants of substrate specificity were probed by mutagenesis. Our data demonstrate that S184 is located in the substrate-binding pocket and interacts with the phosphate moiety of KDPG, providing...
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