Direct phase selection of initial phases from single-wavelength anomalous dispersion (SAD) for the improvement of electron density and ab initio structure determination

Chen, C.-D.; Huang, Y.-C.; Chiang, H.-L.; Hsieh, Y.-C.; Guan, H.-H.; Chuankhayan, P.; Chen, C.-J.

doi:10.1107/S1399004714013868

Acta Crystallographica Section D
Acta Crystallographica
Section D BIOLOGICAL CRYSTALLOGRAPHY

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Figure 1
Harker construction for SAD phasing. The contribution of heavy atoms to a structure factor consists of a normal part, F_H, and an anomalous part, F_H′′. The structure factor F_PH is a normal part and F_PH⁺ and F_PH⁻ are anomalous parts of the protein crystal containing heavy atoms.

BIOLOGICAL
CRYSTALLOGRAPHY

ISSN: 1399-0047

Volume 70| Part 9| August 2014| Pages 2331-2343

doi:10.1107/S1399004714013868

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