UCSF ChimeraX Home Page
UCSF ChimeraX (or simply ChimeraX) is the next-generation molecular visualization program from the Resource for Biocomputing, Visualization, and Informatics (RBVI), following UCSF Chimera.
Download UCSF ChimeraX
ChimeraX is the state-of-the-art visualization program from the Resource for Biocomputing, Visualization, and Informatics at UC San Francisco. It is free for academic, government, nonprofit, …
UCSF ChimeraX User Guide
UCSF ChimeraX is the successor program to UCSF Chimera. In ChimeraX, menu: Help... User Guide shows this page in the ChimeraX browser.
UCSF ChimeraX Tutorials
ChimeraX Quick Start Guide (included in the User Guide). Contains click-to-execute links. Protein-Ligand Binding Sites (included in the User Guide). Contains click-to-execute links. Surveying the …
UCSF Chimera Home Page
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 …
ChimeraX Quick Start Guide
Clicking command links in the examples below will execute them in ChimeraX if this page is shown in the ChimeraX internal browser, such as with Help... Quick Start Guide in the ChimeraX menu.
ChimeraX 1.8 release - ChimeraX-users - RBVI Mailing Lists
Jun 14, 2024 · UCSF ChimeraX version 1.8 has been released! ChimeraX includes user documentation and is free for noncommercial use.
UCSF ChimeraX News
Dec 25, 2025 · Planned downtime: The ChimeraX website, Toolshed, web services (Blast Protein, Modeller, ...) and cgl.ucsf.edu e-mail will be unavailable starting Monday, Oct 14 10 AM PDT, …
ChimeraX Videos
ChimeraX Video Tutorials and Demonstrations Electron Microscopy Maps ... Virtual Reality ... Atomic Structure Analysis
Tool: Foldseek (Similar Structures)
The Foldseek tool (also called Similar Structures) searches the PDB or AlphaFold Database for structures similar to a protein chain already open in ChimeraX.