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. 1998 Dec 22;95(26):15194–15199. doi: 10.1073/pnas.95.26.15194

Figure 2.

Figure 2

A view of a hexahydrated magnesium ion (in green) bridging three DNA duplexes with the corresponding electron density (2Fo-Fc) map at 1.6 Å resolution contoured at 1.5σ. Hydrogen bonds between the Mg-coordinated water molecules (shown in red) and base or backbone donor/acceptor atoms from three helices (shown in blue, orange, and magenta) are drawn as yellow lines. The figure was prepared with o 5.10 (10).