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  • 1
    Electronic Resource
    Electronic Resource
    A modified Crowther and Blow T1 translation function for partial search models (1995)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 51 (1995), S. 853-855 
    Details
    ISSN: 1399-0047
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: A simple modification to the fast T1 translation function of Crowther & Blow [Crowther & Blow (1967). Acta Cryst. 23, 544–548] can reduce systematic error in cases where the input set of oriented search models represents a fraction of the scattering matter of the unknown crystal unit cell. The observed Patterson function is modified by a partial self-vector subtraction (SVS) and then the residual Patterson origin is removed. In a test case where a protein/DNA complex crystal was searched using a protein-only model, the highest signal- to-noise ratios for translation-search maps were obtained either with origin removal alone or partial SVS combined with origin removal. Origin removal is likely to be a generally useful alternative to SVS for the function.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0907444995002265
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