Article
Engineering of substrate specificity of D-amino acid oxidase from the yeast Trigonopsis variabilis: directed mutagenesis of Phe258 residue.
Biochemistry. Biokhimiia - 1 Oct 2012
Komarova N V, Golubev I V, Khoronenkova S V, Chubar' T A, Tishkov V I
Abstract excerpt
Natural D-amino acid oxidases (DAAO) are not suitable for selective determination of D-amino acids due to their broad substrate specificity profiles. Analysis of the 3D-structure of the DAAO enzyme from the yeast Trigonopsis variabilis (TvDAAO) revealed the Phe258 residue located at the surface of the protein globule to be in the entrance to the active site. The Phe258 residue was mutated to Ala, Ser, and Tyr...
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