Analysis of structural determinants of the stability of thermolysin-like proteases by molecular modelling and site-directed mutagenesis.

Abstract

The thermolysin-like protease (TLP) produced by Bacillus stearothermophilus CU21 (TLP-ste) differs at 43 positions from the more thermally stable thermolysin (containing 316 residues in total). Of these differences, 26 were analysed by studying the effect of replacing residues in TLP-ste by the corresponding residues in thermolysin. Several stabilizing… (More)

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