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Recent Citations

Diverse roles of assembly factors revealed by structures of late nuclear pre-60S ribosomes. Wu S, Tutuncuoglu B et al. Nature. 2016 Jun 2;534(7605):133-7.

Using cryo-EM to map small ligands on dynamic metabolic enzymes: studies with glutamate dehydrogenase. Borgnia MJ, Banerjee S et al. Mol Pharmacol. 2016 Jun;89(6):645-51.

Structure of the intact ATM/Tel1 kinase. Wang X, Chu H et al. Nat Commun. 2016 May 27;7:11655.

Near-atomic resolution visualization of human transcription promoter opening. He Y, Yan C et al. Nature. 2016 May 19;533(7603):359-65.

Structure of the T4 baseplate and its function in triggering sheath contraction. Taylor NM, Prokhorov NS et al. Nature. 2016 May 19;533(7603):346-52.

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Chimera Search

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June 23, 2016

PLOS Computational Biology announces winning T-shirt design created by Luigi Di Costanzo (RCSB Protein Data Bank) using UCSF Chimera.

April 6, 2016

A production release candidate (v1.11) is available; please try it and report any problems. 64-bit builds are now recommended for all capable platforms, and v1.11 will be the last to support 32-bit builds. See the release notes for what's new.

July 23, 2015

Chimera production release 1.10.2 is now available. Fixes include code signing for Mac OS X installation. The 1.10 series will be the last to support OS X 10.6 and 10.7. See the release notes for details.

(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, non-profit, and personal use. Chimera is developed by the Resource for Biocomputing, Visualization, and Informatics (RBVI), funded by the National Institutes of Health (NIGMS P41-GM103311).

UCSF ChimeraX (or simply ChimeraX) is the next-generation molecular visualization program from the RBVI, following UCSF Chimera. It is in early development and not yet publicly released, with release anticipated sometime in 2016.

Feature Highlight

volume plane topography


Values in a plane of volume data can be shown as heights normal to the plane (a topographic map). When a single plane is displayed with Volume Viewer, the command topography will plot the values as heights in a surface.

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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.

(More samples...)