Hello, (A) If you want to add a covalent bond between two atoms, see "bond" command or menu: Tools... Structure Editing... Build Structure, Adjust Bonds section: <https://rbvi.ucsf.edu/chimerax/docs/user/commands/bond.html> <https://rbvi.ucsf.edu/chimerax/docs/user/tools/buildstructure.html#bonds> ...if these atoms are in different models, see the Join Models section instead: <https://rbvi.ucsf.edu/chimerax/docs/user/tools/buildstructure.html#join> (B) If you just want to draw a line (make a pseudobond) between two atoms, see the "pbond" command: <https://rbvi.ucsf.edu/chimerax/docs/user/commands/pbond.html> 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 May 20, 2024, at 10:06 PM, 天剑流痕 via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:

This chimerax software is very useful. Could you please tell me how to connect two amino acid residues or atoms in the protein 3d diagram

天剑流痕 475514296@qq.com