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A stereoview of the hydrated E2-R3 dodecamer. Water molecules are shown in red, the octahedrally coordinated magnesium ions in green, and the attached water molecules in orange. Only the 157 water molecules of the asymmetric unit are shown. Three hydrated Mg2+ ions are in the major groove and two are in the minor groove. The picture was produced with molscript 2.0 (13).
