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Figure 3
Potassium (purple sphere) coordination site in the crystal structure of the L-d(CGCGCG)2/Cad2+/K+ complex. Water molecules (W) are presented as red spheres. The coordination sphere of this intermolecular potassium binding site is completed by partially disordered phosphate groups from two symmetry-related DNA molecules (orange and light orange). The 2mFoDFc map (blue) is contoured at the 1.0σ level.

Journal logoSTRUCTURAL
BIOLOGY
ISSN: 2059-7983
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