Fig. 5
From: Gene cloning and molecular characterization of a thermostable chitosanase from Bacillus cereus TY24
SDS-PAGE analysis of the recombinant chitosanase. a Lane M, protein standard molecular weight; lane 1, supernatant of E. coli BL21 (DE3)/pET28a(+)-choe cell lysate induced by IPTG; lane 2, supernatant of E. coli BL21 (DE3)/pET28a(+) cell lysate as control. b Lane M, protein standard molecular weight; lane 1, the purified chitosanase. The original gels are presented in Additional file 1: Figures S1 and S2, respectively