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Resolution extrapolation
Zhang, K. Y. J., Cowtan, K. D. and Main, P.  International Tables for Crystallography (2012). Vol. F, Section 15.1.4.4, pp. 395-396 [ doi:10.1107/97809553602060000847 ]
Resolution extrapolation 15.1.4.4. Resolution extrapolation The Fourier coefficients of the density-modified map include nonzero contributions for reflections that were not present in the original electron-density map. These values are commonly used to restore the values of reflections that were missing from the original data (including low-resolution reflections falling ...
     [more results from section 15.1.4 in volume F]

Reciprocal-space interpretation of density modification
Zhang, K. Y. J., Cowtan, K. D. and Main, P.  International Tables for Crystallography (2012). Vol. F, Section 15.1.3, pp. 393-394 [ doi:10.1107/97809553602060000847 ]
... of reciprocal-space constraints on structure-factor amplitudes and phases. Main & Rossmann (1966) showed that the NCS-averaging operation in real ... the electron density within the region of the averaging mask (Main & Rossmann, 1966), i.e. where is the initial density, , transformed by ... functions and for solvent flattening, histogram matching and averaging. References Main, P. & Rossmann, M. G. (1966). Relationships among structure ...

Atomization
Zhang, K. Y. J., Cowtan, K. D. and Main, P.  International Tables for Crystallography (2012). Vol. F, Section 15.1.2.6, pp. 392-393 [ doi:10.1107/97809553602060000847 ]
Atomization 15.1.2.6. Atomization The atomization method uses the fact that the structure underlying the map consists of discrete atoms. It attempts to interpret the map by automatically placing atoms and refining their positions. Agarwal & Isaacs (1977) proposed a method for the extension of phases to higher resolutions by interpreting an electron ...
     [more results from section 15.1.2 in volume F]

Introduction
Zhang, K. Y. J., Cowtan, K. D. and Main, P.  International Tables for Crystallography (2012). Vol. F, Section 15.1.1, p. 385 [ doi:10.1107/97809553602060000847 ]
... International Tables for Crystallography (2012). Vol. F, ch. 15.1, p. 385 International Union of Crystallography 2012 | home | resources | advanced search ...

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