Altering the specificity of subtilisin Bacillus lentus through the introduction of positive charge at single amino acid sites.
The use of methanethiosulfonates as thiol-specific modifying reagents in the strategy of combined site-directed mutagenesis and chemical modification allows virtually unlimited opportunities for creating new protein surface environments. As a consequence of our interest in electrostatic manipulation as a means of tailoring enzyme activity and specificity, we have recently adopted this approach for the controlled incorporation of multiple negative charges at single sites in the representative ...Expand abstract
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