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  • 117544741239993558752370122110429371185313778PublicAssets/5729The HIV capsid is a pear-shaped structure that is made of proteins the virus needs to mature and become infective. The capsid is inside the virus and delivers the virus' genetic information into a human cell. To better understand how the HIV capsid does this feat, scientists have used computer programs to simulate its assembly. This image shows a series of snapshots of the steps that grow the HIV capsid. A model of a complete capsid is shown on the far right of the image for comparison; the green, blue and red colors indicate different configurations of the capsid protein that make up the capsid “shell.” The bar in the left corner represents a length of 20 nanometers, which is less than a tenth the size of the smallest bacterium. Computer models like this also may be used to reconstruct the assembly of the capsids of other important viruses, such as Ebola or the Zika virus. The studies reporting this research were published in <a href="http://www.nature.com/ncomms/2016/160513/ncomms11568/full/ncomms11568.html"><i>Nature Communications</i></a> and <a href="http://www.nature.com/nature/journal/v469/n7330/full/nature09640.html"><i>Nature</i></a>. To learn more about how researchers used computer simulations to track the assembly of the HIV capsid, see <a href="https://news.uchicago.edu/article/2016/06/14/simulations-describe-hivs-diabolical-delivery-device">this press release from the University of Chicago</a>.John Grime and Gregory Voth, The University of ChicagoJohn Grime and Gregory Voth, The University of ChicagoIllustration

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    CellsGenesMolecular StructuresTools and Techniques

    Assembly of the HIV capsid

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    The HIV capsid is a pear-shaped structure that is made of proteins the virus needs to mature and become infective. The capsid is inside the virus and delivers the virus' genetic information into a human cell. To better understand how the HIV capsid does this feat, scientists have used computer programs to simulate its assembly. This image shows a series of snapshots of the steps that grow the HIV capsid. A model of a complete capsid is shown on the far right of the image for comparison; the green, blue and red colors indicate different configurations of the capsid protein that make up the capsid “shell.” The bar in the left corner represents a length of 20 nanometers, which is less than a tenth the size of the smallest bacterium. Computer models like this also may be used to reconstruct the assembly of the capsids of other important viruses, such as Ebola or the Zika virus. The studies reporting this research were published in Nature Communications and Nature. To learn more about how researchers used computer simulations to track the assembly of the HIV capsid, see this press release from the University of Chicago.

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    John Grime and Gregory Voth, The University of Chicago

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    John Grime and Gregory Voth, The University of Chicago

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    Illustration

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    5729

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