Hi Pascal, The command 'show disulfide’ should work. You can also select them from the navigation taskbar: Select > Chemistry > Functional Group > Disulfide or select with the ’sel disulfide’ command. Hope this helps, Dan On 27 May 2025, at 10:24, Pascal Rochaix via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote: Hello, I am a long time user of PyMOL and I am testing ChimeraX for the first time. Is there a simple command to show the disulfide bridges ? It is easy in PyMOL but I don’t find it in ChimeraX… Thanks in advance, Pascal Rochaix Protein Scientist www.metafora-biosystems.com<http://www.metafora-biosystems.com/> <image002.jpg>Pépinière Paris Biotech Santé 29 rue du Faubourg Saint Jacques | 75014 Paris | France _______________________________________________ ChimeraX-users mailing list -- chimerax-users@cgl.ucsf.edu<mailto:chimerax-users@cgl.ucsf.edu> To unsubscribe send an email to chimerax-users-leave@cgl.ucsf.edu<mailto:chimerax-users-leave@cgl.ucsf.edu> Archives: https://mail.cgl.ucsf.edu/mailman/archives/list/chimerax-users@cgl.ucsf.edu/