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Featured Citations

Cryo-electron microscopy structures of human oligosaccharyltransferase complexes OST-A and OST-B. Ramírez AS, Kowal J, Locher KP. Science. 2019 Dec 13;366(6471):1372-1375.

Federating structural models and data: Outcomes from a workshop on archiving integrative structures. Berman HM, Adams PD et al. Structure. 2019 Dec 3;27(12):1745-1759.

High-resolution view of the type III secretion export apparatus in situ reveals membrane remodeling and a secretion pathway. Butan C, Lara-Tejero M et al. Proc Natl Acad Sci USA. 2019 Dec 3;116(49):24786-24795.

Jump ahead with a twist: DNA acrobatics drive transposition forward. Arinkin V, Smyshlyaev G, Barabas O. Curr Opin Struct Biol. 2019 Dec;59:168-177.

Structures of MERS-CoV spike glycoprotein in complex with sialoside attachment receptors. Park YJ, Walls AC et al. Nat Struct Mol Biol. 2019 Dec;26(12):1151-1157.

See also: RCSB PDB Images
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October 16, 2019

ChimeraX virtual reality featured in UCSF School of Pharmacy news: VR Drug Discovery Makes Precision Therapy a Reality  [video]

June 20, 2019

ChimeraX virtual reality shown on PBS Newshour: How Close are Scientists to a Universal Flu Vaccine?

June 6, 2019

The ChimeraX 0.9 production release is available. See the change log for what's new.

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Upcoming Events

January 15, 2020

Tom Goddard will lead a ChimeraX cryoEM session at the S2C2 Modeling Workshop (Stanford-SLAC Cryo-EM Center, January 15-17, 2020).

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 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

Paired-10 palette
PuOr-5 palette

Color Palettes

A “palette” or ordered series of colors is used to color items sequentially (rainbow) or by values such as density. The ten chains in PDB 5o3l (paired tau filament) have been colored with the commands shown as 2D labels in the images. The first two examples at left use predefined palettes (credit to www.ColorBrewer.org, color specifications and designs by Cynthia A. Brewer, Pennsylvania State University), whereas the third shows specifying colors individually.

specified palette More features...

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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