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Featured Citations

Mechanism of membrane-tethered mitochondrial protein synthesis. Itoh Y, Andréll J et al. Science. 2021 Feb 19;371(6531):846-849.

Structure-guided multivalent nanobodies block SARS-CoV-2 infection and suppress mutational escape. Koenig PA, Das H et al. Science. 2021 Feb 12;371(6530):eabe6230.

Mitochondrial sorting and assembly machinery operates by β-barrel switching. Takeda H, Tsutsumi A et al. Nature. 2021 Feb 4;590(7844):163-169.

Structure and mechanism of the proton-driven motor that powers type 9 secretion and gliding motility. Hennell James R, Deme JC et al. Nat Microbiol. 2021 Feb;6(2):221-233.

Structures of the glucocorticoid-bound adhesion receptor GPR97-G(o) complex. Ping YQ, Mao C et al. Nature. 2021 Jan 28;589(7843):620-626.

See also: RCSB PDB Images
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News

December 11, 2020

The RBVI wishes you a safe and happy holiday season! See our 2020 card and the gallery of previous cards back to 1985.

November 4, 2020

New paper online: UCSF ChimeraX: Structure visualization for researchers, educators, and developers. Pettersen EF, Goddard TD, et al. Protein Sci. 2020, in press.

September 23, 2020

Mac users: ChimeraX v1.1 does not work on MacOS 11.0 (Big Sur), but this problem has been fixed in v1.1.1 and the daily build.

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UCSF ChimeraX

UCSF ChimeraX (or simply ChimeraX) is the next-generation molecular visualization program from the Resource for Biocomputing, Visualization, and Informatics (RBVI), following UCSF Chimera. ChimeraX can be downloaded free of charge for academic, government, nonprofit, and personal use. Commercial users, please see ChimeraX commercial licensing.

ChimeraX is developed with support from National Institutes of Health R01-GM129325 and the Office of Cyber Infrastructure and Computational Biology, National Institute of Allergy and Infectious Diseases.

Feature Highlight

Morphing Movie

Morphing between atomic structures can be calculated wih the morph command and played back in an animation. This movie shows morphing between two conformations of the FGFR1 kinase domain:

  • inactive structure (PDB 3c4f, chain A)
  • activated structure (PDB 3gqi, chain A) with phosphorylated tyrosines and bound ATP analog
The tyrosine side chains and ATP analog are color-coded by element: light blue carbon, red oxygen, blue nitrogen, and orange phosphorus.

Morphing and other setup was done with the command file kmorph-prep.cxc, followed by interactively positioning the structure and saving the view with the command view name p1 (generally a session would also be saved at this point), then running kmorph-play.cxc to add 2D labels and record the movie.

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Example Image

The Human Ribosome

The architecture of the human ribosome has been determined at near-atomic resolution by electron microscopy (Anger et al., Nature 497:80 (2013)). The structure, comprising 82 proteins and five RNA molecules, is shown with shadows cast from all directions to accentuate depth. In the background are schematic representations of contacts between the component molecules.

See the image setup script card.cxc using the 'Tis the Season color palette (credit to MrsP). See also the RBVI holiday card gallery.

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