UCSF ChimeraX version 1.8 has been released! ChimeraX includes user documentation and is free for noncommercial use. Download for Windows, Linux, and MacOS from: https://www.rbvi.ucsf.edu/chimerax/download.html Updates since version 1.7 (Dec 2023) include: - show worm depictions of attribute values (B-factor, conservation, etc.) using Render by Attribute tool or "cartoon byattribute" command - show attribute values with atomic radii using Render by Attribute or "size byattribute" - Select by Attribute graphical interface - Join Models generalized to any covalent bond (not just peptide) - show multiple alternate locations simultaneously with "altlocs show" - "pbond" command to create arbitrary pseudobonds - "measure contactarea" to report the area of one surface within a cutoff distance of another - Segmentations tool for interactive manual segmentation in 2D slice views, 3D (desktop), or 3D (VR) can be applied to any volume data, not just medical images; several fixes and ergonomic improvements including icons to assign/deassign mouse and VR hand-controller modes with a single click - set up and analyze batch AlphaFold predictions to search for protein-protein interactions (commands for advanced users who can run ColabFold directly on Linux) support for: - reading predicted aligned error (PAE) data from AlphaFold 3 - reading docking results from MOE - fetching atomic structures and maps from PDB-REDO - fetching/display of PDB NMR-STAR restraints For details, please see the ChimeraX change log: https://www.rbvi.ucsf.edu/trac/ChimeraX/wiki/ChangeLog On behalf of the team, Elaine ----- Elaine C. Meng, Ph.D. UCSF Chimera(X) team Resource for Biocomputing, Visualization, and Informatics Department of Pharmaceutical Chemistry University of California, San Francisco