Research Article

The Cyclodextrin Glycosyltransferase of Paenibacillus pabuli US132 Strain: Molecular Characterization and Overproduction of the Recombinant Enzyme

Figure 3

Influence of the operating temperature on the production of soluble US132 CGTase by E. coli ER2566/pSJ8 strain. Protein samples loaded onto the 10% SDS-polyacrylamide gel were stained with Coomassie Brilliant Blue. Lanes 1, 2, and 3: periplasmic fractions obtained from cells cultivated at 37, 19, and 37–19°C, respectively. Lane M: low molecular weight marker. Lanes 4, 5 and 6: insoluble fractions obtained when cells are cultivated at 37–19, 19, and 37°C, respectively.
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