The z-criterion has been recently formulated as a tool for judging about the ab initio solvability of a crystal structure via direct methods. The criterion is reconsidered to take into account the recent powerful techniques of phase refinement in direct and reciprocal space. A report is made on a medium size crystal structure, recently solved by SIR97 by the pure application of the tangent formula
Ab Initio Direct Phasing in Macromolecular Crystallography: an application of the Z-test
BURLA, Maria Cristina;POLIDORI, Giampiero;
1999
Abstract
The z-criterion has been recently formulated as a tool for judging about the ab initio solvability of a crystal structure via direct methods. The criterion is reconsidered to take into account the recent powerful techniques of phase refinement in direct and reciprocal space. A report is made on a medium size crystal structure, recently solved by SIR97 by the pure application of the tangent formulaFile in questo prodotto:
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