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Macromolecular phasing with SHELXE

Sheldrick, G. M.·2002·Zeitschrift für Kristallographie - Crystalline Materials

Abstract

SHELXE was designed to provide a simple, fast and robust route from substructure sites found by the program SHELXD to an initial electron density map, if possible with an indication as to which heavy-atom enantiomorph is correct. This should be understood as a small contribution to high-throughput structural genomics. The new sphere of influence algorithm combined with a fuzzy solvent boundary enables some chemical knowledge to be incorporated into the density modification in a general and effective manner. In the special cases of high solvent content (greater than 0.6) or very high resolution data (better than 1.5 Å) high quality maps can be produced. This raises the possibility of a new paradigm for atomic resolution structure refinement: instead of alternating atom parameter refinement with weighted electron density maps calculated with the phases of the current model, which inevitably leads to some model bias, all model building should be based on the model free experimental density map!

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Metadata

Authors
Sheldrick, G. M.
Venue
Zeitschrift für Kristallographie - Crystalline Materials
Published
2002-12-01
Volume
217
Issue
12
Pages
644-650
ISSN
  • 2194-4946 (ISSN-L)
  • 2196-7105
OpenAlex
W2056474830
Cited by
399
References
0
FWCI
11.46
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Macromolecular phasing with SHELXE. https://app.cochat.ai/papers/10.1524/zkri.217.12.644.20662
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Sheldrick, G. M. (2002). Macromolecular phasing with SHELXE. Zeitschrift für Kristallographie - Crystalline Materials. https://doi.org/10.1524/zkri.217.12.644.20662

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