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Featured Citations

Structural analysis of full-length SARS-CoV-2 spike protein from an advanced vaccine candidate. Bangaru S, Ozorowski G et al. Science. 2020 Nov 27;370(6520):1089-1094.

Ultrapotent human antibodies protect against SARS-CoV-2 challenge via multiple mechanisms. Tortorici MA, Beltramello M et al. Science. 2020 Nov 20;370(6519):950-957.

Structure of the human sodium leak channel NALCN. Kschonsak M, Chua HC et al. Nature. 2020 Nov 12;587(7833):313-318.

The 3.2-Å resolution structure of human mTORC2. Scaiola A, Mangia F et al. Sci Adv. 2020 Nov 6;6(45):eabc1251.

Single-particle cryo-EM at atomic resolution. Nakane T, Kotecha A et al. Nature. 2020 Nov 5;587(7832):152-156.

See also: RCSB PDB Images
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News

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.

September 10, 2020

The ChimeraX 1.1 production release 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 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

3w1k assembly 1

Assemblies from mmCIF Symmetry Information

Multimeric assemblies defined in a structure's mmCIF file are automatically listed when the file is opened and can be reconstituted with the sym command. The complex of selenocysteine synthase and tRNASec (PDB 3w1k) is shown as molecular surfaces of different colors for different chains. The asymmetric unit is on the left and the assembly specified in the mmCIF file is on the right, with arrow and text annotations from 2dlabels. See the command file sym.cxc.

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Example Image

photosynthetic reaction center

Photosynthetic Reaction Center

The photosynthetic reaction center from a purple sulfur bacterium is shown as a cartoon with “tube” helices and membrane boundaries from the OPM database (Orientations of Proteins in Membranes, entry 1eys). Blue and red balls represent the cytoplasmic and periplasmic sides of the bacterial inner membrane, respectively. The title and other text labels were added with the 2dlabels command and repositioned interactively with the move label mouse mode . ChimeraX session file: prc.cxs

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