Research Article

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

Table 3

Purification steps of the recombinant US132 CGTase.

Purification stepTotal activity (U)Total protein (mg)Specific activity (U/mg)Yield (%)Purification (fold)

Crude extract 7000 35 200 100 ā€”
Heat treatment 6650 14.8 450 952.2
HIC*4340 1.55 2800 62 14
Starch adsorption14000.2850002025

*HIC: Hydrophobic Interaction Chromatography.