Combinatorial saturation mutagenesis of the Myceliophthora thermophila laccase T2 mutant: the connection between the C-terminal plug and the conserved (509)VSG(511) tripeptide.

Abstract excerpt

A mutant laccase from the Ascomycete Myceliophthora thermophila has been submitted to iterative cycles of combinatorial saturation mutagenesis through in vivo overlap extension in Saccharomyces cerevisiae. Over 180,000 clones were explored, among which the S510G mutant revealed a direct interaction between the conserved (509)VSG(511) tripeptide, located in the neighborhood of the T1 site, and the C-terminal plug....

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