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Featured Citations

Evolutionary shift toward protein-based architecture in trypanosomal mitochondrial ribosomes. Ramrath DJF, Niemann M et al. Science. 2018 Oct 26;362(6413). pii: eaau7735.

Molecular visualization on the holodeck. Goddard TD, Brilliant AA et al. J Mol Biol. 2018 Oct 19;430(21):3982-3996.

Structural basis of the filamin A actin-binding domain interaction with F-actin. Iwamoto DV, Huehn A et al. Nat Struct Mol Biol. 2018 Oct;25(10):918-927.

Structure of the membrane-assembled retromer coat determined by cryo-electron tomography. Kovtun O, Leneva N et al. Nature. 2018 Sep 27;561(7724):561-564.

Structural basis for potent and broad inhibition of HIV-1 RT by thiophene[3,2-d]pyrimidine non-nucleoside inhibitors. Yang Y, Kang D et al. eLife. 2018 Jul 25;7. pii: e36340.

See also: RCSB PDB Images
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News

August 7, 2018

ChimeraX version 0.7 is available. See the change log for what's new.

July 13, 2018

New Virtual Reality at UCSF website shares information on VR projects, resources, and related issues.

April 6, 2018

ChimeraX version 0.6 is available. See the change log for what's new.

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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 supported in part by grants from the National Institutes of Health (currently R01-GM129325, previously P41-GM103311).

Feature Highlight

man and molecule

Virtual Reality

ChimeraX virtual reality works with HTC Vive, Oculus Rift, and Samsung Odyssey systems (those supported by SteamVR). Any structures, maps, etc. that can be displayed in ChimeraX can be viewed in the headset and manipulated with the hand controllers. Icon toolbars visible in the headset allow changing the scene display or hand-controller button assignments with a single click. Besides rotation, translation, and zooming, useful functions include labeling, distance measurement, bond rotation, placing markers into a map, and changing map contour levels. Virtual-reality (VR) mode can be turned on and off with the vr command, and the meeting command allows multiple users to share a single session in VR.

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Example Image

transducin switch regions

G-Protein Switch Regions

The GDP- and GTP-bound conformations of the transducin α-subunit (1tag and 1tnd, respectively) differ primarily in three regions, termed switch 1, switch 2, and switch 3. The structures have been superimposed with matchmaker and shown as cartoons, with “empty” outlines where the structures are almost the same (for simplicity, only one conformation's outlines are shown). The GTP analog GTPγS is displayed as spheres color-coded by heteroatom. For 2D labels and image setup other than structure orientation, see the command file switch.cxc.

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