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Expression and purification of the recombinant proteins: The recombinant human Hsp20 (a), E7 (b), and human Hsp27 (c) proteins were run on a polyacrylamide gel electrophoresis and stained by coomassie blue. MW is the molecular weight marker (prestained protein ladder: 10–170 kDa, Fermentase). Samples of before induction (BI), after induction (AI), and the purified recombinant proteins (Pu) were shown in figure for each protein, respectively
