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Recent Citations

Self-assembly of genetically encoded DNA-protein hybrid nanoscale shapes. Praetorius F, Dietz H. Science. 2017 Mar 24;355(6331).

Accurate model annotation of a near-atomic resolution cryo-EM map. Hryc CF, Chen DH et al. Proc Natl Acad Sci USA. 2017 Mar 21;114(12):3103-3108.

Structural basis of the day-night transition in a bacterial circadian clock. Tseng R, Goularte NF et al. Science. 2017 Mar 17;355(6330):1174-1180.

Structures of the cyanobacterial circadian oscillator frozen in a fully assembled state. Snijder J, Schuller JM et al. Science. 2017 Mar 17;355(6330):1181-1184.

3D printing of biomolecular models for research and pedagogy. Da Veiga Beltrame E, Tyrwhitt-Drake J et al. J Vis Exp. 2017 Mar 13;(121).

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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

hydrogen bonds

Chemical Knowledge

  • determination of atom types in arbitrary molecules, including non-standard residues
  • ability to add hydrogen atoms
  • high-quality hydrogen bond identification
  • selection of atoms/bonds by element, atom type, functional group, amino acid category
  • interactive bond rotation, distance and angle measurements

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Gallery Sample

RNA Bases

Large ribosomal RNA is shown with individual bases depicted using solvent excluded molecular surfaces. Bases A, C, G, U are colored red, yellow, green, and blue. The surfaces were made with the Chimera multiscale tool in combination with the nucleic acid blobs plug-in. The image was raytraced using POVray.

Protein Data Bank model 1s72.

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