Fig. 6.
DEAE-Sepharose column elution profile of E. coli Ndk activity over-produced in ung- E. coli Cells. DEAE-Sepharose column chromatography and standard assays for uracil-DNA glycosylase (open circles), Ndk (filled circles), protein concentration (open squares), and NaCl concentration (filled squares) were performed as described in Materials and Methods.