Expression and purification of four OBPs and two CSPs of

H. oblita. SDS-PAGE electrophoretic (15% separation gel) (A) and western blotting (B) analysis of expressed recombine proteins. M: Molecular weight marker of 100, 70, 50, 40, 30, 25, 14 kDa; 1-2: before and after induction of the bacterial culture with IPTG; 3: supernatant; 4: inclusion bodies; 5: Purified fusion protein; 6: Purified protein cleaved His-tag by rEK.