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Effect of CoHex3+ counterions on DNA flexibility. Shown are relative changes in bending persistence length (Lp) and length of helical repeat (10 bp) segment (l), relative to the same system with no CoHex3+ ions (multivalent ions replaced by Na+ to maintain over-all neutrality).
| DNA w/CoHex3+ | ΔLP/LP (%) | Δl/l (%) |
|---|---|---|
| 0.17 CoHex3+/P− | −31 | −1.8 |
| 0.33 CoHex3+/P− | −37 | −1.8 |
