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Figure 3
Comparison of experimental electron-density maps calculated for HMT-derivative DR6 crystals. The electron-density maps (contoured at 1σ) were calculated from experimental phases (MAD experiment at 2.9 Å resolution or SIRAS experiment at 3.3 Å resolution) after solvent flattening and are shown in comparison with the 2FoFc difference Fourier map calculated from the final protein model (stick representation). The experimental phases were either derived from the individual tungsten positions of the MR solution at 2.9 Å resolution (MAD) or at 3.4 Å resolution (SIRAS) or by spherical averaging in SHARP (SPHCLUSTER option) at 2.9 Å resolution (MAD) or at 3.4 Å resolution (SIRAS). The map correlation coefficient (CC) is given in comparison to the respective 2FoFc map for each experimental electron-density map.

Journal logoBIOLOGICAL
ISSN: 1399-0047
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