Structure of Cowpea mottle virus

A consensus in the genus Carmovirus

Jiyuan Ke, Timothy Schmidt, Elaine Chase, Robert F. Bozarth, Thomas Smith

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Cowpea mottle virus (CPMoV) is a T = 3 virus that belongs to Carmovirus genus of the Tombusviridae family. Here, we report the crystal structure of CPMoV determined to a resolution of 7.0 Å. The structures and sequences of three Carmoviruses, CPMoV, Turnip crinkle virus (TCV), and Carnation mottle virus (CarMV) have been compared to TBSV from the Tombusvirus genus. CPMoV, TCV, and CarMV all have a deletion in βC strand in the S domain relative to TBSV that may be distinctive to the genus. Although CPMoV has an elongated C-terminus like TBSV, it does not interact with the icosahedrally related P domain as observed in TBSV. In CPMoV, the termini of A and B interact with the icosahedrally related shell domains of A and C, respectively, to form a chain of interactions around the 5-fold axes. The C subunit terminus does not, however, interact with the B subunit because of quasi-equivalent differences in the P domain orientations.

Original languageEnglish (US)
Pages (from-to)349-358
Number of pages10
JournalVirology
Volume321
Issue number2
DOIs
StatePublished - Apr 10 2004
Externally publishedYes

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Carmovirus
Viruses
Tombusviridae
Tombusvirus
Vigna

Keywords

  • Carmoviruses
  • Crystallography
  • Structure
  • Tombusviridae

ASJC Scopus subject areas

  • Virology
  • Infectious Diseases

Cite this

Structure of Cowpea mottle virus : A consensus in the genus Carmovirus. / Ke, Jiyuan; Schmidt, Timothy; Chase, Elaine; Bozarth, Robert F.; Smith, Thomas.

In: Virology, Vol. 321, No. 2, 10.04.2004, p. 349-358.

Research output: Contribution to journalArticle

Ke, Jiyuan ; Schmidt, Timothy ; Chase, Elaine ; Bozarth, Robert F. ; Smith, Thomas. / Structure of Cowpea mottle virus : A consensus in the genus Carmovirus. In: Virology. 2004 ; Vol. 321, No. 2. pp. 349-358.
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