The molecular organization of cypovirus polyhedra

Fasséli Coulibaly, Elaine Chiu, Keiko Ikeda, Sascha Gutmann, Peter W. Haebel, Clemens Schulze-Briese, Hajime Mori and Peter Metcalf ()
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Fasséli Coulibaly: School of Biological Sciences, University of Auckland, 1010, New Zealand
Elaine Chiu: School of Biological Sciences, University of Auckland, 1010, New Zealand
Keiko Ikeda: Protein Crystal Corporation, Osaka 541-0053, Japan
Sascha Gutmann: Swiss Light Source at Paul Scherrer Institute, Villigen 5232, Switzerland
Peter W. Haebel: Altana Pharma AG, Konstanz 78467, Germany
Clemens Schulze-Briese: Swiss Light Source at Paul Scherrer Institute, Villigen 5232, Switzerland
Hajime Mori: Kyoto Institute of Technology, Kyoto 606-8585, Japan
Peter Metcalf: School of Biological Sciences, University of Auckland, 1010, New Zealand

Nature, 2007, vol. 446, issue 7131, 97-101

Abstract: Tough cubes Insect viruses that produce infectious polyhedra — crystals encapsulating thousands of virus particles — are widespread and important. The polyhedra microcrystals are remarkably stable, which can cause disease persistence, threatening silkworm cocoon harvests for instance. The molecular structure of one of these crystals has now been determined. This is a major technical feat in protein X-ray microcrystallography, as these viruses are the smallest protein crystals ever used to determine atomic structure. The study reveals robust polyhedra that could be useful as delivery capsules for biopesticides and for nanobiotechnology applications such as microarrays.

Date: 2007
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DOI: 10.1038/nature05628

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