Hi Tim, There are no square brackets in command-line specification. Your first one would have worked if you had used parentheses instead of square brackets. Combinations in command-line specification: <https://rbvi.ucsf.edu/chimerax/docs/user/commands/atomspec.html#combinations> I hope this helps, 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
On Feb 9, 2026, at 3:28 AM, Timothy Springer via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:
Hi, the sidechains of residues 35 and 80 are contained within the selection. I am trying to remove the sidechains of residues 35 and 80 when saving a new name. what is wrong with this?
name frozen conVup sel &~[:35,80&sideonly] name frozen conVup sel &~:[35,80]&sideonly
I subsequently found I could solve it with ~select #1:35,80&sideonly name frozen conVup sel
- Tim Timothy A. Springer, Ph.D. Latham Family Professor, Harvard Medical School and Boston Children's Hospital Founder, Institute for Protein Innovation