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Recent Citations

Structure of the T4 baseplate and its function in triggering sheath contraction. Taylor NM, Prokhorov NS et al. Nature. 2016 May 18;533(7603):346-52.

Crystal structure of human herpesvirus 6B tegument protein U14. Wang B, Nishimura M et al. PLoS Pathog. 2016 May 6;12(5):e1005594.

Femtosecond structural dynamics drives the trans/cis isomerization in photoactive yellow protein. Pande K, Hutchison CD et al. Science. 2016 May 6;352(6286):725-9.

Cholesteryl ester transfer between lipoproteins does not require a ternary tunnel complex with CETP. Lauer ME, Graff-Meyer A et al. J Struct Biol. 2016 May;194(2):191-8.

Mapping and modeling of a strain-specific epitope in the Norwalk virus capsid inner shell. Parra GI, Sosnovtsev SV et al. Virology. 2016 May;492:232-41.

(Previously featured citations...)

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News

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.

January 9, 2015

Chimera production release 1.10.1 is now available. 64-bit builds are recommended for all capable platforms, and 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

realignment dialog

Multiple Sequence Alignment

Multiple sequence alignment of structure chains in Chimera or realignment of the sequences in an existing alignment can be performed using web services hosted by the UCSF RBVI. The following programs are provided:

The result is automatically shown in Multalign Viewer. (Sequences can also be added to an alignment one by one without a web service, but true multiple sequence alignment is often advantageous.) (More features...)

Gallery Sample

Sliced Potassium Channel

Potassium channel (Protein Data Bank entry 1bl8) on a dark slate blue background with potassium ions shown in firebrick. The channel is comprised of four chains. Each chain has been rainbow-colored from blue at the N-terminus to red at the C-terminus, but only the surface of the channel is shown. The surface has been sliced with a per-model clipping plane. The surface cap color is plum except with opacity set to 0.8. The shininess and brightness have been set to 128 and 8, respectively, and the lights on the scene have been moved from their default positions. The subdivision quality (related to the smoothness of the spherical ions) is 5.0, and the molecular surface was computed with probe radius and vertex density set to 1.0 and 6.0, respectively. (More samples...)