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2015 ; 16
(9
): 23094-110
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Rational Protein Engineering Guided by Deep Mutational Scanning
#MMPMID26404267
Shin H
; Cho BK
Int J Mol Sci
2015[Sep]; 16
(9
): 23094-110
PMID26404267
show ga
Sequence-function relationship in a protein is commonly determined by the
three-dimensional protein structure followed by various biochemical experiments.
However, with the explosive increase in the number of genome sequences,
facilitated by recent advances in sequencing technology, the gap between protein
sequences available and three-dimensional structures is rapidly widening. A
recently developed method termed deep mutational scanning explores the functional
phenotype of thousands of mutants via massive sequencing. Coupled with a highly
efficient screening system, this approach assesses the phenotypic changes made by
the substitution of each amino acid sequence that constitutes a protein. Such an
informational resource provides the functional role of each amino acid sequence,
thereby providing sufficient rationale for selecting target residues for protein
engineering. Here, we discuss the current applications of deep mutational
scanning and consider experimental design.