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Recent Citations

Breaking the law: unconventional strategies for antibody diversification. Kanyavuz A, Marey-Jarossay A et al. Nat Rev Immunol. 2019 Jun;19(6):355-368.

Structural dynamics of bacteriophage P22 infection initiation revealed by cryo-electron tomography. Wang C, Tu J et al. Nat Microbiol. 2019 Jun;4(6):1049-1056.

The structure of the stress-induced photosystem I-IsiA antenna supercomplex. Toporik H, Li J et al. Nat Struct Mol Biol. 2019 Jun;26(6):443-449.

In situ structures of rotavirus polymerase in action and mechanism of mRNA transcription and release. Ding K, Celma CC et al. Nat Commun. 2019 May 17;10(1):2216.

An ultra-stable gold-coordinated protein cage displaying reversible assembly. Malay AD, Miyazaki N et al. Nature. 2019 May 16;569(7756):438-442.

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News

November 17, 2018

Chimera production release 1.13.1 is now available; see the release notes for what's new. The Mac version requires OS 10.10 or later.

October 22, 2018

Mac users: the 1.13.1 release candidate and recent daily builds contain a fix for Mojave (OS 10.14). These versions require OS 10.10 or later.

September 21, 2018

Mac users are advised to hold off upgrading to Mojave until we find a fix for Chimera buttons not being shown until the windows containing them are resized.

(Previous news...)

Upcoming Events

UCSF Chimera is a highly extensible program for interactive visualization and analysis of molecular structures and related data, including density maps, supramolecular assemblies, sequence alignments, docking results, trajectories, and conformational ensembles. High-quality images and animations can be generated. Chimera includes complete documentation and several tutorials, and can be downloaded free of charge for academic, government, nonprofit, and personal use. Chimera is developed by the Resource for Biocomputing, Visualization, and Informatics (RBVI), supported in part by the National Institutes of Health (P41-GM103311).

UCSF ChimeraX (or simply ChimeraX) is the next-generation molecular visualization program from the RBVI, following UCSF Chimera.

Feature Highlight

Volume Data

Volume Data

Chimera's Volume Viewer displays three-dimensional electron and light microscope data, X-ray density maps, electrostatic potential and other volumetric data. Contour surfaces, meshes and volumetric display styles are provided and thresholds can be changed interactively. Maps can be colored, sliced, segmented, and modifications can be saved. Markers can be placed and structures can be traced. The accompanying image shows a density map of Kelp fly virus from electron microscopy colored radially and with an octant cut out.

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Gallery Sample

Peroxiredoxin Wreath

Peroxiredoxins are enzymes that help cells cope with stressors such as high levels of reactive oxygen species. The image shows a decameric peroxiredoxin from human red blood cells (Protein Data Bank entry 1qmv), styled as a holiday wreath.

See also the RBVI holiday card gallery.

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