Structure of southern bean mosaic virus at 2.8 Å resolution

Authors:
  • CACelerino Abad-Zapatero
    Celerino Abad-Zapatero
  • SASherin S. Abdel-Meguid
    Sherin S. Abdel-Meguid
  • JJJohn E. Johnson
    John E. Johnson
  • ALAndrew G. W. Leslie
    Andrew G. W. Leslie
  • MRMichael G. Rossmann
    Michael G. Rossmann
  • DSDietrich Suck
    Dietrich Suck
  • TTTomitake Tsukihara
    Tomitake Tsukihara

Abstract
X-ray diffraction studies reveal that the polypeptide chain of the southern bean mosaic virus protein subunit has a fold closely similar to the shell domain of tomato bushy stunt virus. The protruding domain of tomato bushy stunt virus is absent in southern bean mosaic virus. The tertiary structure observed in these viruses may be particularly suitable for the formation of the protein coat in small, spherical, RNA-containing, plant viruses.

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