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. Author manuscript; available in PMC: 2011 Dec 10.
Published in final edited form as: J Mol Biol. 2010 Oct 8;404(4):639–649. doi: 10.1016/j.jmb.2010.09.065

Fig. 6.

Fig. 6

Comparison of the active sites of D66N/5′-AMP (white) and AphA/PMEA (cyan). Residue numbers for the aromatic boxes are listed as rP4/AphA. The yellow spheres represent Mg2+.