Overexpression, isolation and purification of functionally active bacterioferritin Dps E.coli
Keywords:
Escherichia coli, bakterioferritin Dps, DNA, chromatography.Abstract
A method for isolation and purification of the recombinant Dps protein from Escherichia coli
was suggested. The procedure involves cloning of the dps gene into the pGEM vector, followed by the
induction of the recombinant gene expression within BL21*(DE3) E. coli cells, ion-exchange
chromatography on DEAE-Sephadex-A25 (medium), protein fractionation with ammonium sulfate and
gel filtration on Sephadex-G200. The developed method allows to obtain electrophoretically
homogeneous and functionally active Dps protein









