Enhanced catalytic site thermal stability of cold-adapted esterase EstK by a W208Y mutation.

Abstract excerpt

Hydrophobic interactions are known to play an important role for cold-adaptation of proteins; however, the role of amino acid residue, Trp, has not been systematically investigated. The extracellular esterase, EstK, which was isolated from the cold-adapted bacterium Pseudomonas mandelii, has 5 Trp residues. In this study, the effects of Trp mutation on thermal stability, catalytic activity, and conformational...

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