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A complex of griffithsin with maltose. (A) Electron density (2F o‐F c, contour level 1σ) and the superimposed atomic model of the hydrated Mg2+ ion. The metal, found between two griffithsin molecules, is surrounded by six well‐determined water molecules, but makes no direct contacts with the protein. (B) Interactions of the maltose molecule with site 3 of molecule A of griffithsin, with hydrogen bonds indicated by dashed lines. Man32 is seen face on and Man31 edge on.
