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. Author manuscript; available in PMC: 2016 Oct 23.
Published in final edited form as: Radiat Res. 2009 Oct;172(4):481–492. doi: 10.1667/RR1647.1

FIG. 1.

FIG. 1

Inhibition of human recombinant DNase I or rat serum DNase (Serum) in the presence of Znchloride, Zn-DIPS or DIPS (0, 100 or 200 μM). C, control non-digested pBR322 plasmid DNA. Circular covalently closed DNA (cccDNA) is converted first to open circular DNA (ocDNA), then to linear DNA (linDNA) and finally is fragmented (frDNA). Endonuclease activity is shown as a percentage of 0 μM samples.