 The results show that the dynamics of the hydration shell of counterions depends on region of ion localization around the macromolecule.
<meaning-changed>  The results show that the dynamics of the hydration shell of counterions depends on region of ion localization around the macromolecule.
 The results show that the dynamics of the hydration shell of counterions depends on region of the double helix: minor groove, major groove, and outside the macromolecule.