modify your search
 Results for DC.creator="G." AND DC.creator="A." AND DC.creator="Mair" in section 25.1.3 of volume F   page 1 of 2 pages.
Analysis of the structure at 2 resolution
Blake, C. C. F., Fenn, R. H., Johnson, L. N., Koenig, D. F., Mair, G. A., North, A. C. T., Oldham, J. W. H., Phillips, D. C., Poljak, R. J., Sarma, V. R. and Vernon, C. A.  International Tables for Crystallography (2012). Vol. F, Section 25.1.3, pp. 854-866 [ doi:10.1107/97809553602060000899 ]
... chymotrypsinogen (Kraut et al., 1962) at 6 resolution was published a few months before the corresponding work on lysozyme. Compared with ... as to suggest that only the structures of proteins with a high [alpha]-helical content would be amenable to study by ... and the use of anomalous scattering in phase determination. At a purely practical level, one of our major concerns was ...

The electron-density map at 2 resolution
Blake, C. C. F., Fenn, R. H., Johnson, L. N., Koenig, D. F., Mair, G. A., North, A. C. T., Oldham, J. W. H., Phillips, D. C., Poljak, R. J., Sarma, V. R. and Vernon, C. A.  International Tables for Crystallography (2012). Vol. F, Section 25.1.3.10, pp. 863-864 [ doi:10.1107/97809553602060000899 ]
... team in early 1964 with the specific task of writing a program for calculating the 2 electron-density map. Fortunately, at ... of London Computing Centre was in the course of acquiring a Ferranti ATLAS computer, which was then one of the most ... was calculated at 1/120ths of the cell edge along a and b, and 1/60ths along c. The output ...

Calculation of phase values
Blake, C. C. F., Fenn, R. H., Johnson, L. N., Koenig, D. F., Mair, G. A., North, A. C. T., Oldham, J. W. H., Phillips, D. C., Poljak, R. J., Sarma, V. R. and Vernon, C. A.  International Tables for Crystallography (2012). Vol. F, Section 25.1.3.9, pp. 862-863 [ doi:10.1107/97809553602060000899 ]
... anomalous-scattering data were examined. For many reflections, they allowed a choice to be made between two apparently equally probable values ... data. This procedure was clearly rather arbitrary and subjective, and a method of combining anomalous scattering with isomorphous replacement in a more rigorous way was described by Blow & Rossmann (1961) ...

Final refinement of heavy-atom parameters
Blake, C. C. F., Fenn, R. H., Johnson, L. N., Koenig, D. F., Mair, G. A., North, A. C. T., Oldham, J. W. H., Phillips, D. C., Poljak, R. J., Sarma, V. R. and Vernon, C. A.  International Tables for Crystallography (2012). Vol. F, Section 25.1.3.8, p. 862 [ doi:10.1107/97809553602060000899 ]
... the R factors and occupancies of the heavy atoms as a function of sin[theta] showed that the heavy-atom compounds ... particularly the uranyl complexes, could not be modelled well by a single atom, but that it was necessary to take into ... first thought was to model the complex in terms of a central U atom, surrounded by a spherical shell of ...

The crystal-type problem
Blake, C. C. F., Fenn, R. H., Johnson, L. N., Koenig, D. F., Mair, G. A., North, A. C. T., Oldham, J. W. H., Phillips, D. C., Poljak, R. J., Sarma, V. R. and Vernon, C. A.  International Tables for Crystallography (2012). Vol. F, Section 25.1.3.7, pp. 861-862 [ doi:10.1107/97809553602060000899 ]
... notice that this phenomenon had been mentioned years earlier in a study of lysozyme (Corey et al., 1952). A preliminary analysis of the differences in the diffraction patterns suggested ... to be more consistent with two discrete diffraction patterns than a continuum of patterns lying between two extremes. The two ...

Further stages of data processing
Blake, C. C. F., Fenn, R. H., Johnson, L. N., Koenig, D. F., Mair, G. A., North, A. C. T., Oldham, J. W. H., Phillips, D. C., Poljak, R. J., Sarma, V. R. and Vernon, C. A.  International Tables for Crystallography (2012). Vol. F, Section 25.1.3.6, pp. 860-861 [ doi:10.1107/97809553602060000899 ]
... by VRS, who had discussed the work with DCP at a meeting in Madras in January 1963 and who joined the ... six reciprocal-lattice levels measured from crystals rotated about the a axis, and the other two comprising the odd and even ... one another, but each had rows in common with the a-axis data. Extraction of the related rows permitted the ...

Absorption corrections
Blake, C. C. F., Fenn, R. H., Johnson, L. N., Koenig, D. F., Mair, G. A., North, A. C. T., Oldham, J. W. H., Phillips, D. C., Poljak, R. J., Sarma, V. R. and Vernon, C. A.  International Tables for Crystallography (2012). Vol. F, Section 25.1.3.5.1, p. 860 [ doi:10.1107/97809553602060000899 ]
... rays by protein crystals is low compared with crystals having a preponderance of heavier atoms, corrections for absorption are required in ... atoms or anomalous dispersion. The mounting of protein crystals within a glass capillary, normally with a small amount of mother liquor between the crystal and ...

Data processing
Blake, C. C. F., Fenn, R. H., Johnson, L. N., Koenig, D. F., Mair, G. A., North, A. C. T., Oldham, J. W. H., Phillips, D. C., Poljak, R. J., Sarma, V. R. and Vernon, C. A.  International Tables for Crystallography (2012). Vol. F, Section 25.1.3.5, pp. 859-860 [ doi:10.1107/97809553602060000899 ]
... tape facilities) resulted in data processing being carried out in a series of stages, each of limited complexity. Input and output ... input being in the form of computer-generated output from a previous stage, starting with the diffractometer output tapes. This approach resulted in a great reduction in manual labour and intervention compared with ...

Diffractometer output
Blake, C. C. F., Fenn, R. H., Johnson, L. N., Koenig, D. F., Mair, G. A., North, A. C. T., Oldham, J. W. H., Phillips, D. C., Poljak, R. J., Sarma, V. R. and Vernon, C. A.  International Tables for Crystallography (2012). Vol. F, Section 25.1.3.4.2, p. 859 [ doi:10.1107/97809553602060000899 ]
... The output from the triple-counter diffractometer again consisted of a plain-language output for immediate checking of the results and ...

Experimental methods
Blake, C. C. F., Fenn, R. H., Johnson, L. N., Koenig, D. F., Mair, G. A., North, A. C. T., Oldham, J. W. H., Phillips, D. C., Poljak, R. J., Sarma, V. R. and Vernon, C. A.  International Tables for Crystallography (2012). Vol. F, Section 25.1.3.4.1, pp. 858-859 [ doi:10.1107/97809553602060000899 ]
... lattice hemisphere with C and positive. Reflections were scanned along A, and the origin of the scanning slide was offset for ... was turned through 90 from this position, the reflection of a light held level with the microscope could often be seen ... the measurement of each triplet of reciprocal-lattice levels as a check on the stability of the whole system and ...

Page: 1 2 Next powered by swish-e
























































to end of page
to top of page