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Recent Citations

Posttranslational modification of microtubules by the MATCAP detyrosinase. Landskron L, Bak J et al. Science. 2022 May 20;376(6595):eabn6020.

Opening of glutamate receptor channel to subconductance levels. Yelshanskaya MV, Patel DS et al. Nature. 2022 May 5;605(7908):172-178.

Novel fold of rotavirus glycan-binding domain predicted by AlphaFold2 and determined by X-ray crystallography. Hu L, Salmen W et al. Commun Biol. 2022 May 5;5(1):419.

Cryo-EM structure of the EBV ribonucleotide reductase BORF2 and mechanism of APOBEC3B inhibition. Shaban NM, Yan R et al. Sci Adv. 2022 Apr 29;8(17):eabm2827.

Structural basis of tethered agonism of the adhesion GPCRs ADGRD1 and ADGRF1. Qu X, Qiu N et al. Nature. 2022 Apr 28;604(7907):779–785.

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News

December 20, 2021

The RBVI wishes you a safe and happy holiday season! See our 2021 card and the gallery of previous cards back to 1985.

December 17, 2021

Chimera production release 1.16 is now available. This will be the last release to support Windows 7. See the release notes for what's new.

December 18, 2020

Chimera production release 1.15 is now available. See the release notes for what's new.

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Upcoming Events

UCSF Chimera is a program for the interactive visualization and analysis of molecular structures and related data, including density maps, trajectories, and sequence alignments. It is available free of charge for noncommercial use. Commercial users, please see Chimera commercial licensing.

We encourage Chimera users to try ChimeraX for much better performance with large structures, as well as other major advantages and completely new features. ChimeraX includes a significant subset of Chimera features (with more to come, see the missing features list) and is under active development. Users may choose to use both programs, and it is fine to have both installed.

Chimera is no longer under active development, and is only updated for critical maintenance. Chimera development was supported by a grant from the National Institutes of Health (P41-GM103311) that ended in 2018.

Feature Highlight

conservation coloring

Coloring by Conservation

A structure can be colored to show attributes such as residue conservation. Opening a sequence alignment in Chimera shows it in Multalign Viewer and automatically associates sequences with structures as appropriate. Residues of alignment-associated structures are assigned conservation values; available measures include entropy, variability, and sum-of-pairs. The figure was created using the PFAM Carb_anhydrase seed alignment PF00194_seed.slx (see image) and includes 2D labels and a color key. See also: mapping sequence conservation

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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.

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