Fig. 1From: Enhancing extracellular production of lipoxygenase in Escherichia coli by signal peptides and autolysis systemEffect of the signal peptide on the activity (A) and expression level (B) of lipoxygenase (LOX). SDS-PAGE analysis of fermentation broth supernatant (i), intracellular soluble proteins (ii), and intracellular insoluble proteins (iii)Back to article page