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Recent Citations

Atomic structure of Hsp90-Cdc37-Cdk4 reveals that Hsp90 traps and stabilizes an unfolded kinase. Verba KA, Wang RY et al. Science. 2016 Jun 24;352(6293):1542-7.

Structure and membrane remodeling activity of ESCRT-III helical polymers. McCullough J, Clippinger AK et al. Science. 2015 Dec 18;350(6267):1548-51.

See also RCSB PDB images...


December 22, 2016

ChimeraX pre-release daily builds are available!

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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 licensing.

ChimeraX development is funded by the National Institutes of Health (NIGMS P41-GM103311).

Feature Highlight

AMPA receptor with tube helices

Curved Helix Cylinders

Protein α-helices can be shown as curved-cylinder “tubes“ with the cartoon style command. Helix tube mode is an alternative to the standard spiraling ribbons, and both modes are fully integrated with coil and β-strand cartoons. The structure at left is an AMPA-subtype glutamate receptor bound to the antiepileptic drug perampanel (PDB 5l1f). The receptor is tetrameric, and each chain is rainbow color-coded from blue at the N-terminus to red at the C-terminus. Four molecules of perampanel (pink) are bound near the bottom, between the transmembrane domain and the rest of the receptor. For image setup other than orientation, see the command file ampar.cxc.

More features...

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.

More images...