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(a) Acetylcholinesterase enzyme with its hydration shell water molecules (left), and map of water reorientation dynamics in the shell57 (right). (b) Idem around a DNA dodecamer.58 (c) Probability density of water reorientation times next to a series of globular proteins57,61 and next to DNA58 on a linear scale and on a semilog scale in the inset.
