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Recent Citations

Atomic structure of anthrax protective antigen pore elucidates toxin translocation. Jiang J, Pentelute BL et al. Nature. 2015 May 28;521(7553):545-9.

Electron cryomicroscopy observation of rotational states in a eukaryotic V-ATPase. Zhao J, Benlekbir S, Rubinstein JL. Nature. 2015 May 14;521(7551):241-5.

Multidomain Assembler (MDA) generates models of large multidomain proteins. Hertig S, Goddard TD et al. Biophys J. 2015 May 5;108(9):2097-102.

RRDistMaps: a UCSF Chimera tool for viewing and comparing protein distance maps. Chen JE, Huang CC, Ferrin TE. Bioinformatics. 2015 May 1;31(9):1484-6.

Cryo-EM structure of SNAP-SNARE assembly in 20S particle. Zhou Q, Huang X et al. Cell Res. 2015 May;25(5):551-60.

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News

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.

November 5, 2014

Chimera production release 1.10 is now available. 64-bit builds are recommended for all capable platforms, and v1.10 will be the last to support OS X 10.6 and 10.7. See the release notes for what's new.

October 23, 2014

A production release candidate (v1.10) is available; please try it and report any problems. 64-bit builds are now recommended for all capable platforms, and v1.10 will be the last to support OS X 10.6 and 10.7. See the release notes for what's new.

(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, funded by the National Institutes of Health (NIGMS P41-GM103311).

Feature Highlight

radial surface color

Radial Coloring

A surface can be colored radially, that is, by distance from a user-specified point. Additional options include coloring by distance from an axis or a plane. Different coloring schemes can be applied.

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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...)