Hi Winston,

  The command would look like

open /Users/jin/data/myfile.mtz structure #1

where #1 is the id number of the PDB structure that you have already opened -- the correct number will be listed in the Models panel in ChimeraX.  Each model you open gets a number starting at 1.

Tom

On Jun 22, 2021, at 10:06 AM, Wen-Jin Winston Wu via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:

Hi Tristan,
 
Thanks a lot for your help!
I have installed your ISOLDE in ChimeraX, and was able to load the mtz file using the “Load crystallographic dataset" button on ISOLDE's GUI.
 
I will try "open filename.mtz structureModel #{model id}" after I am more familiar with the file path syntax in ChimeraX. 
 
Best wishes,

Winston

From: Tristan Croll [mailto:tic20@cam.ac.uk] 
Sent: Wednesday, June 23, 2021 12:27 AM
To: chimerax-users@cgl.ucsf.edu; Wen-Jin Winston Wu <winston@gate.sinica.edu.tw>
Subject: Re: [chimerax-users] Open a PDB-formatted file and a MTZ file
 
Hi Winston, 
 
The failure to open a MTZ file properly via the File/Open GUI is my fault, and something I'll be remedying with the next release of ISOLDE/Clipper. For now, you can do it at the command line using "open filename.mtz structureModel #{model id}", or via the "Load crystallographic dataset" button on ISOLDE's GUI.
 
Best regards,
Tristan
From: ChimeraX-users <chimerax-users-bounces@cgl.ucsf.edu> on behalf of Wen-Jin Winston Wu via ChimeraX-users <chimerax-users@cgl.ucsf.edu>
Sent: 22 June 2021 17:14
To: chimerax-users@cgl.ucsf.edu <chimerax-users@cgl.ucsf.edu>
Subject: [chimerax-users] Open a PDB-formatted file and a MTZ file
 
Hi,
 
I am trying to inspect electron density of X-ray data.
I have the PDB-formatted coordinate file a.pdb (not been submitted to PDB yet) and a mtz file (a.mtz).
I have downloaded Clipper to Chimera X (1.2.5) running on Window 10. 
 
I have opened my a.pdb, and I then tried to open my a.mtz file from the File-Open and I specified the file type with “*.mtz”, and opened the a.mtz file, but I then got the error message: “Must specify a structure model to associate with crystallographic data”.
 
I know that I was not doing it correctly (e.g. not typing proper commands with correct syntax.). I looked into the description in the URL below. However, I just could not get it work. Any help will be appreciated. Thanks!
 
 

Best wishes,

Winston

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