International Tables for Crystallography (2006). Vol. F. ch. 15.1, pp. 311-324
https://doi.org/10.1107/97809553602060000687 |
Chapter 15.1. Phase improvement by iterative density modification
Contents
- 15.1. Phase improvement by iterative density modification (pp. 311-324) | html | pdf | chapter contents |
- 15.1.1. Introduction (p. 311) | html | pdf |
- 15.1.2. Density-modification methods (pp. 311-318) | html | pdf |
- 15.1.2.1. Solvent flattening (pp. 311-314) | html | pdf |
- 15.1.2.2. Histogram matching (pp. 314-316) | html | pdf |
- 15.1.2.2.1. Introduction (p. 314) | html | pdf |
- 15.1.2.2.2. The prediction of the ideal histogram (pp. 314-315) | html | pdf |
- 15.1.2.2.3. The process of histogram matching (pp. 315-316) | html | pdf |
- 15.1.2.2.4. Scaling the observed structure-factor amplitudes according to the ideal density histogram (p. 316) | html | pdf |
- 15.1.2.3. Averaging (pp. 316-317) | html | pdf |
- 15.1.2.4. Skeletonization (pp. 317-318) | html | pdf |
- 15.1.2.5. Sayre's equation (p. 318) | html | pdf |
- 15.1.2.6. Atomization (p. 318) | html | pdf |
- 15.1.3. Reciprocal-space interpretation of density modification (p. 319) | html | pdf |
- 15.1.4. Phase combination (pp. 319-321) | html | pdf |
- 15.1.5. Combining constraints for phase improvement (pp. 321-323) | html | pdf |
- 15.1.6. Example (pp. 323-324) | html | pdf |
- References | html | pdf |
- Figures
- Fig. 15.1.2.1. Density-modification calculation showing iterative application of real-space and reciprocal-space constraints (p. 311) | html | pdf |
- Fig. 15.1.2.2. Solvent mask determined from a map by Wang's method (p. 313) | html | pdf |
- Fig. 15.1.2.3. Transformation of density ρ to
by histogram matching (p. 315) | html | pdf |
- Fig. 15.1.2.4. Types of noncrystallographic symmetry and averaging calculation (p. 316) | html | pdf |
- Fig. 15.1.3.1. The functions
and
for solvent flattening, histogram matching and averaging (p. 319) | html | pdf |
- Fig. 15.1.6.1. Phase correlations after different combinations of density modifications (p. 323) | html | pdf |
- Tables