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Electron density maps of various ligands with CPGRP-S. (i) The initial (Fo-Fc) map showing electron densities at 3.0 σ cut off for one heptanoic acid, nine hydrogen peroxide, one 2-methyl-2,4-pentanediol, four ethylene glycol, and one carbonate and one sodium ions and (ii) the final (2Fo-Fc) map showing electron densities at 1.0 σ cut off for the above entities.
