Publications by authors named "Jinkyeong Yang"

Directed evolution is widely used to optimize protein folding and solubility in cells. Although the screening and selection of desired mutants is an essential step in directed evolution, it generally requires laborious optimization and/or specialized equipment. With a view toward designing a more practical procedure, we previously developed an inducible plasmid display system, in which the intein (auto-processing) and Oct-1 DNA-binding (DBD) domains were used as the protein trans-splicing domain and DNA-binding module, respectively.

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Soluble expression of enzymes inside the cell is a prerequisite for the successful biotransformation of valuable products. Some key enzymes involved in biotransformation processes, however, are hardly expressed in their soluble forms. Here, we propose an inducible plasmid display, which is a molecular evolution strategy coupled with a high-throughput screening and/or selection method, as a simple and powerful tool for improving the solubility of target enzymes.

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Recombinant whole-cell biocatalysts are widely used for biotransformation of valuable products. However, some key enzymes involved in biotransformation processes are unstable and cannot be easily expressed in the functional form. In this study, we describe a versatile platform for enzyme stabilization inside the cell: Intracellularly Immobilized Enzyme System (IIES).

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