[chimerax-users] Holiday greetings from the ChimeraX team!

[Elaine Meng]

The Chimera(X) team at the UCSF RBVI wishes you a safe and happy holiday season!   Our holiday card is virtual this year:


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Atoms of Apoferritin 

At a miraculous 1.22 Å resolution, the electron microscopy map of mouse apoferritin (right, EMDB 11638) can be mistaken for an atomic model (left, PDB 7a4m), with each atom standing out. The map from Nakane et al. (2020 Nature 587:152-156) shows glimpses of the lightest atoms, hydrogen, directly revealing the hydrogen-bonding network. Ferritin stores iron, as many as 4500 ions (Fe3+), as crystallites within its shell of 24 proteins. Apoferritin, ferritin without its iron cargo, has rock-like stability, making it ideal for divining the limits of electron microscope resolution. The images were made with UCSF ChimeraX, using ambient-occlusion lighting, coloring to delineate trimeric subunits within the dodecahedral shell, and curved helix tubes. 

Best wishes for a happy and healthy 2021! 

Conrad, Greg, Elaine, Tristan, Tom, Scooter, Eric and Tom

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Full-resolution image: 
<https://www.rbvi.ucsf.edu/Outreach/card-gallery/2020-apoferritin/2020a.png <https://www.rbvi.ucsf.edu/Outreach/card-gallery/2020-apoferritin/2020a.png>>

Gallery of previous cards back to 1985:
<https://www.rbvi.ucsf.edu/Outreach/card-gallery/index.html <https://www.rbvi.ucsf.edu/Outreach/card-gallery/index.html>>




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