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Recent Citations
Promiscuous G-protein activation by the calcium-sensing receptor. Zuo H, Park J et al. Nature. 2024 May 9;629(8011):481–488.
Structural insights into vesicular monoamine storage and drug interactions. Ye J, Chen H et al. Nature. 2024 May 2;629(8010):235–243.
Ciliopathy patient variants reveal organelle-specific functions for TUBB4B in axonemal microtubules. Dodd DO, Mechaussier S et al. Science. 2024 Apr 26;384(6694):eadf5489.
Necroptosis blockade prevents lung injury in severe influenza. Gautam A, Boyd DF et al. Nature. 2024 Apr 25;628(8009):835–843.
Cryogenic electron tomography reveals novel structures in the apical complex of Plasmodium falciparum. Sun SY, Segev-Zarko L-a et al. mBio. 2024 Apr 10;15(4):e0286423.
Previously featured citations...Chimera Search
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October 30-31, 2023
Planned downtime: The Chimera and ChimeraX websites and associated web services will be unavailable Oct 30 8am PDT – Oct 31 11:59pm PDT.
April 19, 2023
Chimera production release 1.17.1 is now available, fixing an issue with 1.17 for Windows and Linux. See the release notes for details.
April 13, 2023
Chimera production release 1.17 is now available. Updating is required to keep using the tools that run Blast Protein, Modeller, and multiple sequence alignment with Clustal Omega or MUSCLE, as these will soon stop working in older versions. See the release notes for details.
Previous news...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 in addition to nearly all the capabilities of Chimera (details...).
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
Special representations of DNA and RNA can be displayed with the Nucleotides tool or the command nucleotides. Different levels of abstraction are available. The figure shows a ribbon backbone combined with the following sidechain (sugar/base) options:
Gallery Sample
The image shows the structure of the human TRPA1 ion channel (wasabi receptor) determined by electron cryo-microscopy, Protein Data Bank entry 3j9p. The four subunits of the tetramer are shown as ribbons in different colors over a dark-to-light gradient background. (More samples...)
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