Structural refinement of the DNA-containing capsid of canine parvovirus using RSRef, a resolution-dependent stereochemically restrained real-space refinement method

Michael Chapman, Michael G. Rossmann

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21 Citations (Scopus)

Abstract

The canine parvovirus structure (CPV) [Tsao, Chapman, Agbandje, Keller, Smith, Wu, Luo, Smith, Rossmann, Compans & Parrish (1991). Science, 251, 1456-1464] has been refined by a real-space refinement procedure [Chapman (1994). Acta Cryst. A51, 69-80]. The fit of an atomic model to electron density was optimized while taking into account the resolution limit of the data and the stereochemistry of the structure. The refined model had a reasonable free R factor [Brünger (1992). Nature (London), 355, 472-475] of 0.29. The method is particularly fast and convenient when only a small fraction of the crystallographic asymmetric unit needs to be refined, as is the case when there is high non-crystallographic redundancy. Cycles of refinement for virus capsids were completed in about 1/50th of the time required for equivalent reciprocal-space procedures.

Original languageEnglish (US)
Pages (from-to)129-142
Number of pages14
JournalActa Crystallographica Section D: Biological Crystallography
Volume52
Issue number1
StatePublished - Jan 1 1996
Externally publishedYes

Fingerprint

Canine Parvovirus
Capsid
deoxyribonucleic acid
Stereochemistry
R Factors
DNA
stereochemistry
viruses
redundancy
Viruses
Carrier concentration
Redundancy
cycles
Electrons

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Biochemistry
  • Biophysics
  • Clinical Biochemistry
  • Structural Biology
  • Condensed Matter Physics

Cite this

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