Fig. 1From: Characterization of a d-lyxose isomerase from Bacillus velezensis and its application for the production of d-mannose and l-riboseSDS-PAGE analysis of purified recombinant BvLI. Lane 1–3: whole E. coli BL21 (DE3) cells without IPTG induction, after IPTG induction for 4 h and 8 h, respectively; Lane 4, 5: supernatant and debris of induced cell lysate; Lane 6: purified recombinant BvLI; Lane M: protein markerBack to article page