positively regulates positively regulates catalytic activity positive regulation of catalytic activity Any process that activates or increases the activity of an enzyme. GO:0043085 GO:0048554 activation of enzyme activity activation of metalloenzyme activity biological_process positive regulation of enzyme activity positive regulation of metalloenzyme activity stimulation of enzyme activity stimulation of metalloenzyme activity up regulation of enzyme activity up regulation of metalloenzyme activity up-regulation of enzyme activity up-regulation of metalloenzyme activity upregulation of enzyme activity upregulation of metalloenzyme activity positive regulation of molecular function regulation of catalytic activity biological regulation