Published in

Wiley, Acta Crystallographica Section a Foundations of Crystallography, 3(51), p. 398-404, 1995

DOI: 10.1107/s0108767394012730

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The ab initio crystal structure solution of proteins by direct methods. IV. The use of the partial structure

Journal article published in 1995 by C. Giacovazzo, J. G. Platas ORCID
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

A probabilistic formula originally designed for small molecules, which allows the recovery of the complete from a partial structure [Giacovazzo (1983). Acta Cryst. A39, 685-692], is reconsidered. Experimental tests show that the formula is potentially able to estimate phases accurately provided 30-40% of the electron density is correctly located. The formula may be used for refining the phase values obtained by isomorphous derivative techniques as well as for extending the phasing process to a resolution higher than the derivative resolution.