Also it is not necessary to go through selection; if you're just going to use a command and you already know the structure residue number range(s) that you want, you can specify them directly in the command, for example: color /A:48-66,125-138 orange How to specify models, chains, residues, atoms in the command line: <https://rbvi.ucsf.edu/chimerax/docs/user/commands/atomspec.html> I hope this helps, Elaine
On May 16, 2024, at 4:00 PM, Elaine Meng via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:
Hi Al, I'm not sure if you mean you want to recolor the boxes on the sequence, or the corresponding parts of the 3D structure (if any) in the main graphics window.
(A) For the 3D structure: If you have a 3D structure associated with the sequence, then clicking the sequence region also automatically selects that part of the structure. The selected parts will be outlined with green in the main graphics window. If you don't know what I mean by "associated with" see: <https://rbvi.ucsf.edu/chimerax/docs/user/tools/sequenceviewer.html#associati...>
You can use the Actions menu (e.g. Actions... Color... etc.) to act on your current selection in the 3D structure. Using the Actions menu generates the corresponding command and shows it in the Log, which is meant to help people learn the corresponding commands and also allow scripting these actions. Or, instead of using the menu, you could just enter the command directly. Generally to color the current selection regardless of how that selection was made, you would use the "color" command with "sel" to mean the current selection, e.g.
color sel hot pink target ar
"target ar" means color both the ribbons and atoms, "target r" would mean ribbons only, "target a" atoms only, etc. They may not be displayed at the time. To actually show the atoms you could again use the Actions menu (Actions... Atoms/Bonds... Show) or just use the corresponding command, e.g.
show sel
There is also undo/redo if you mess up and want to go back, via "undo" and "redo" commands or Edit menu.
There are help pages for all of these commands explaining their options. <https://rbvi.ucsf.edu/chimerax/docs/user/index.html#commands>
(B) To recolor the boxes on the sequence, the GUI (rather than commands) is the way to go.
If you are using the UniProt sequence features dialog, click the color squares to open the system color editor and edit the color interactively. <https://rbvi.ucsf.edu/chimerax/docs/user/tools/sequenceviewer.html#uniprot>
If you are not using the UniProt sequence features dialog, you can use the sequence window context menu Annotations... Regions... (show a context menu by right-click, or if Mac Ctrl-click on the tool, in this case the sequence window) to open the Region Browser, which also has color wells for changing the box interior and border colors. See <https://rbvi.ucsf.edu/chimerax/docs/user/tools/sequenceviewer.html#regionbro...>
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
From: Allen Place <place@umces.edu> Date: May 16, 2024 at 5:11:31 AM PDT
Help with commands. I know how to Select regions in my protein sequence, but How do I select different colors for those selections? These are various modules that I have assigned prior to the prediction based on homology. Al
Allen R. Place(he/him/his) Professor, Associate Director of Research, Director of BASLab, Director of HAB-CTI Institute of Marine and Environmental Technology University of Maryland Center for Environmental Sciences The Rita Rossi Colwell Center 701 East Pratt Street Baltimore, MD 21202 410-234-8828 place@umces.edu
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