Analysis in three dimensions
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 25.1.2.6,
p.
[ doi:10.1107/97809553602060000899 ]
rotation about the axis (elevation); and (d) rotation about the axis (plan).
Given the morphology of the crystals, with an essentially square habit bounded by {110} faces (Figs.
25.1.2.1 and
25.1.2.5), all the reflections ...
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 25.1.2.6.2,
p.
[ doi:10.1107/97809553602060000899 ]
in paper tape for direct transfer to a computer (Fig.
25.1.2.7) . The plain-language record was important during measurement of the low-angle reflections, when the diffractometer had to be adjusted by hand. Not all imperfections in the measurements were ...
The electron-density map of lysozyme at 6 Å 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 25.1.2.8,
p.
[ doi:10.1107/97809553602060000899 ]
amplitudes weighted by the figures of merit so as to give the `best' Fourier (Blow & Crick, 1959). The map was contoured by hand and plotted on clear plastic (Perspex; Plexiglass in the USA) sheets (Fig.
25.1.2.12) .
Figure ...
The palladium chloride (K2PdCl4) derivative
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 25.1.2.4.2,
p.
[ doi:10.1107/97809553602060000899 ]
at a molar ratio of 3:1 relative to lysozyme. Despite the relatively light Pd atom, this derivative gave an easily interpretable difference-Patterson map (see Fig.
25.1.2.2) that yielded very good R factors, where the summations are over centric ...
Other potential derivatives
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 25.1.2.4.4,
p.
[ doi:10.1107/97809553602060000899 ]
...
Preparation of heavy-atom derivatives
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 25.1.2.3,
p.
[ doi:10.1107/97809553602060000899 ]
...
Phase determination at 6 Å 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 25.1.2.7,
p.
[ doi:10.1107/97809553602060000899 ]
significant anomalous contributions had to be included in such a way as to retard the phase of the derivative structure factor if these indications were to agree with the phase predictions derived from the isomorphous differences alone (Fig.
25.1.2.10 ...
The absolute scale of the intensities
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 25.1.2.6.3,
p.
[ doi:10.1107/97809553602060000899 ]
...
Technical facilities
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 25.1.2.1,
p.
[ doi:10.1107/97809553602060000899 ]
...
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 25.1.2.5,
p.
[ doi:10.1107/97809553602060000899 ]
...
