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 Results for DC.creator="K." AND DC.creator="Y." AND DC.creator="J." AND DC.creator="Zhang" in section 15.3.5 of volume F
Code description
Cowtan, K. D., Zhang, K. Y. J. and Main, P.  International Tables for Crystallography (2012). Vol. F, Section 15.3.5, pp. 410-412 [ doi:10.1107/97809553602060000849 ]
... s equation calculation adds another level of complexity, described in Zhang & Main (1990b). Skeletonization imposes the protein histogram and solvent ... from 6 to 1.5, according to the method described by Zhang & Main (1990a). The histogram variances should be consistent with ... is usually higher than for single-crystal problems. References Cowtan, K. D. & Main, P. (1998). Miscellaneous algorithms for density ...

Averaging
Cowtan, K. D., Zhang, K. Y. J. and Main, P.  International Tables for Crystallography (2012). Vol. F, Section 15.3.5.6, pp. 411-412 [ doi:10.1107/97809553602060000849 ]
... gradient information for the refinement of averaging operators. References Cowtan, K. D. & Main, P. (1998). Miscellaneous algorithms for density modification. ... Rossmann, M. G., McKenna, R., Tong, L., Xia, D., Dai, J.-B., Wu, H., Choi, H.-K. & Lynch, R. E. (1992). Molecular replacement real-space ...

Histogram matching
Cowtan, K. D., Zhang, K. Y. J. and Main, P.  International Tables for Crystallography (2012). Vol. F, Section 15.3.5.5, p. 411 [ doi:10.1107/97809553602060000849 ]
... from 6 to 1.5, according to the method described by Zhang & Main (1990a). The histogram variances should be consistent with ... target histograms on either side of the current resolution. References Zhang, K. Y. J. & Main, P. (1990a). Histogram matching as ...

Fourier transforms
Cowtan, K. D., Zhang, K. Y. J. and Main, P.  International Tables for Crystallography (2012). Vol. F, Section 15.3.5.4, p. 411 [ doi:10.1107/97809553602060000849 ]
Fourier transforms 15.3.5.4. Fourier transforms For simplicity of coding, all Fourier transforms are performed in core using real-to-Hermitian and Hermitian-to-real fast Fourier transforms (FFTs). The data are expanded to space group P1 before calculating a map and averaged back to a reciprocal asymmetric unit after inverse ...

Averaging-mask determination
Cowtan, K. D., Zhang, K. Y. J. and Main, P.  International Tables for Crystallography (2012). Vol. F, Section 15.3.5.3, p. 411 [ doi:10.1107/97809553602060000849 ]
... extended to include information from multiple averaging operators. References Cowtan, K. D. & Main, P. (1998). Miscellaneous algorithms for density modification. ... D54, 487-493. Vellieux, F. M. D. A. P., Hunt, J. F., Roy, S. & Read, R. J. (1995). DEMON/ANGEL: a suite of programs to ...

Solvent-mask determination
Cowtan, K. D., Zhang, K. Y. J. and Main, P.  International Tables for Crystallography (2012). Vol. F, Section 15.3.5.2, p. 411 [ doi:10.1107/97809553602060000849 ]
Solvent-mask determination 15.3.5.2. Solvent-mask determination If the user does not supply a solvent mask, the solvent mask is calculated by Wang's (1985) method, using the reciprocal-space approach of Leslie (1987). A number of variants on this algorithm are implemented; however, the parameter that affects the quality ...

Scaling
Cowtan, K. D., Zhang, K. Y. J. and Main, P.  International Tables for Crystallography (2012). Vol. F, Section 15.3.5.1, pp. 410-411 [ doi:10.1107/97809553602060000849 ]
... true solvent content, as discussed in Section 15.3.3. References Cowtan, K. D. & Main, P. (1998). Miscellaneous algorithms for density modification. ...

Multi-crystal averaging
Cowtan, K. D., Zhang, K. Y. J. and Main, P.  International Tables for Crystallography (2012). Vol. F, Section 15.3.5.7, p. 412 [ doi:10.1107/97809553602060000849 ]
Multi-crystal averaging 15.3.5.7. Multi-crystal averaging The multi-crystal averaging calculation in DMMULTI is equivalent to several single-crystal averaging calculations running simultaneously, with the exception that during the averaging step, the molecule density is averaged across every copy in every crystal form. This average is weighted by the mean ...

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