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Featured Citations

Development of a prototype system for archiving integrative/hybrid structure models of biological macromolecules. Vallat B, Webb B et al. Structure. 2018 Jun 5;26(6):894-904.e2.

ISOLDE: a physically realistic environment for model building into low-resolution electron-density maps. Croll TI. Acta Crystallogr D Struct Biol. 2018 Jun 1;74(Pt 6).

Structure, mechanism, and regulation of the chloroplast ATP synthase. Hahn A, Vonck J et al. Science. 2018 May 11;360(6389). pii: eaat4318.

Virtual-reality applications give science a new dimension. Matthews D. Nature. 2018 Apr 30; 557:127-128.

Modular assembly of the nucleolar pre-60S ribosomal subunit. Sanghai ZA, Miller L et al. Nature. 2018 Apr 5;556(7699):126-129.

See also: RCSB PDB Images
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April 6, 2018

ChimeraX version 0.6 is available. See the change log for what's new.

January 1, 2018

UCSF ChimeraX paper published in a special issue of Protein Science: Tools for Protein Science.

December 22, 2017

ChimeraX version 0.5 is available. See the change log for what's new.

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UCSF ChimeraX

UCSF ChimeraX (or simply ChimeraX) is the next-generation molecular visualization program from the Resource for Biocomputing, Visualization, and Informatics (RBVI), following UCSF Chimera. ChimeraX can be downloaded free of charge for academic, government, nonprofit, and personal use. Commercial users, please see licensing.

ChimeraX development is supported in part by grants from the National Institutes of Health (currently R01-GM129325, previously P41-GM103311).

Feature Highlight

DNA/protein complex with struts

Struts for 3D Printing

Structures can be reinforced for 3D printing with pseudobonds. In this DNA-transcription factor complex (PDB 5ego), proteins are shown as ribbons and the DNA as a molecular surface. The pseudobonds in blue were read in from a manually created file, 5ego.pb, and further reinforcements in light gray were added automatically with the struts command. For image setup other than orientation, see the command file struts.cxc.

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Example Image

neuraminidase flowers

Neuraminidase Flowers

Influenza neuraminidase is an enzyme that promotes the spread of influenza virus among host cells. It is the target of oseltamivir and related antiviral drugs. The image shows tetramers of neuraminidase (PDB 3k3a) styled as flowers. Three tetramers are in different shades of pink, with a central metal ion in white and nearby residues in yellow, and a fourth tetramer is colored green to resemble leaves. Each monomer or “petal” is a six-bladed β-propeller. For image setup other than orientation, see the command file flowers.cxc. The Chimera Image Gallery includes a similar image.

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