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. Author manuscript; available in PMC: 2018 Jan 3.
Published in final edited form as: Inorg Chem. 2016 Dec 15;56(1):313–320. doi: 10.1021/acs.inorgchem.6b02189

Figure 1. The DNA polymerase β active site.

Figure 1

(pdb ID = 2FMS)7. Each metal ion has octahedral coordination of oxygen (red) ligands. The Mg-Mg bond is indicated by a dotted line. The catalytic Mg (Mg(c)) is magenta and the nucleotide binding Mg (Mg(n)) is orange. Note that the opposing metal ions do not occupy coordination positions, but instead interact along the dotted line.