Improved activity and modulated action pattern obtained by random mutagenesis at the fourth beta-alpha loop involved in substrate binding to the catalytic (beta/alpha)8-barrel domain of barley alpha-amylase 1.

Improved activity and modulated action pattern obtained by random mutagenesis at the fourth beta-alpha loop involved in substrate binding to the catalytic (beta/alpha)8-barrel domain of barley alpha-amylase 1.