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Recent Citations

Immunoglobulin M perception by FcμR. Li Y, Shen H et al. Nature. 2023 Mar 30;615(7954):907–912.

Cysteine carboxyethylation generates neoantigens to induce HLA-restricted autoimmunity. Zhai Y, Chen L et al. Science. 2023 Mar 17;379(6637):eabg2482.

Structure of the human DICER-pre-miRNA complex in a dicing state. Lee YY, Lee H et al. Nature. 2023 Mar 9;615(7951):331–338.

Structure and function of Plasmodium actin II in the parasite mosquito stages. Lopez AJ, Andreadaki M et al. PLoS Pathog. 2023 Mar 6;19(3):e1011174.

Variable microtubule architecture in the malaria parasite. Ferreira JL, Pražák V et al. Nat Commun. 2023 Mar 3;14(1):1216.

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News

December 21, 2022

The RBVI wishes you a safe and happy holiday season! See our 2022 card and the gallery of previous cards back to 1985.

September 27, 2022

Website downtime: The RBVI website (Chimera, ChimeraX, etc.) and RBVI-hosted web services will be down for maintenance from Tue, Sep 27 9pm PDT, through Wed, possibly extending to Thu, Sep 29 5pm PDT.

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.

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Upcoming Events

Please note that UCSF Chimera is legacy software that is no longer being developed or supported. Users are strongly encouraged to try UCSF ChimeraX, which is under active development.

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. Chimera development was supported by a grant from the National Institutes of Health (P41-GM103311) that ended in 2018.

Feature Highlight

2mnr metal site
2mnr metal site

Metal Geometry

The Metal Geometry tool facilitates analysis of metal-binding sites. It lists potential metal-coordinating atoms (nearby nucleophilic heteroatoms) and suggests likely coordination geometries. An idealized geometry can be depicted with solid arrows, as shown in the figure for the octahedral coordination of Mn++ by six atoms, and the coordination pseudobonds in the structure can be updated to match the chosen geometry.

(More features...)

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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