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Recent Citations

Relation between molecular electronic structure and nuclear spin-induced circular dichroism. Štěpánek P, Coriani S et al. Sci Rep. 2017 Apr 24;7:46617.

Architecture of a transcribing-translating expressome. Kohler R, Mooney RA et al. Science. 2017 Apr 14;356(6334):194-197.

Mediator structure and rearrangements required for holoenzyme formation. Tsai KL, Yu X et al. Nature. 2017 Apr 13;544(7649):196-201.

PLP and GABA trigger GabR-mediated transcription regulation in Bacillus subtilis via external aldimine formation. Wu R, Sanishvili R et al. Proc Natl Acad Sci USA. 2017 Apr 11;114(15):3891-3896.

Structure of the Ebola virus glycoprotein spike within the virion envelope at 11‚ÄČÅ resolution. Beniac DR, Booth TF. Sci Rep. 2017 Apr 11;7:46374.

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Chimera Search

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December 2, 2016

Chimera production release 1.11.2 is now available. This version has been updated to work with changes in NCBI Blast and to avoid crashes on Mac Sierra (see the release notes for details).

September 24, 2016

Production release candidate (version 1.11.2) is available, superseding 1.11.1. The new version has been updated to work with changes in NCBI Blast (see release notes). Please try it and report any problems.

August 27, 2016

A production release candidate (version 1.11.1) is now available. Please try it and report any problems. See the release notes for what's been fixed since 1.11. The 1.11 release series will be the last to support 32-bit builds.

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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), 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.

Feature Highlight

volume plane display

Volume Plane Display

Volume data can be shown a single plane (or slab) at a time with the Planes feature in Volume Viewer. Plane display can be set to oscillate along the data X, Y, or Z axis, or the plane location can be specified interactively with a slider.

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Gallery Sample

Cavity and Tunnel Detection

Side-by-side views of a potassium channel structure (Protein Data Bank entry 1bl8) showing different approaches to cavity detection. On the left are molecular surface patches corresponding to the structure's two largest pockets by MS volume in the Computed Atlas of Surface Topography of proteins (CASTp) database. On the right is a tunnel in blue identified by the MolAxis server. Simple editing converted MolAxis output into a BILD file for display in Chimera. (More samples...)