Fig. 3From: Identification and characterization of an Endo-glucanase secreted from cellulolytic Escherichia coli ZH-4SDS–PAGE analysis of recombinant BcsZ protein stained with coomassie blue (a). M: Protein molecular weight marker; Lane 1: BcsZ in culture medium; Lane 2: BcsZ in cells; Line 3: The purified BcsZ. The E. coli BL21 (DE3) carrying the empty plasmid was used as control (b). Line 4: culture medium; Line 5: cellsBack to article page