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- This web site describes various icosahedral virus capsid structures in the
Protein Data Bank (PDB) in terms of their complete capsids, detailed structural and computational analysis
 - The protomeric (asymmetric unit) coordinates were transformed and stored
in a single icosahedral convention (2(Z)-3-5-(X)2).
Coordinates (sometimes) were further processed by rearranging the
nucleic acid residues, hetero atoms, and water molecules (if present) at the
end of the protein chains for the ease of further analysis.
- Structures are classified in terms of their quasi-symmetry
(e.g. T=3, T=4, T=7) and pseudo-symmetry (e.g., P=3).
- Tools are being developed to study the capsids in terms of structural, energetic and assembly aspects . The
derived results are made available throught this website.
- The site is being developed as part of the training, service and
dissemination component of the NIH Research Resource: Multiscale Modeling Tools for Structural Biology (MMTSB).
- You are welcome to download the figures and the data presented at this website. Please cite
the reference (below) and the VIPERdb website when you use them in the publications/ posters/ presentations. Thanks for your cooperation.
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Reference Publication |
VIrus Particle ExploreR (VIPER), a Website for
Virus Capsid Structures and Their Computational Analyses.
Reddy V, Natarajan P, Okerberg B, Li K, Damodaran K, Morton R, Brooks III C, Johnson J. 2001. J. of Virology 75:11943-11947.
Download the Reprint (PDF)
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